You’ll want a mix of brass and steel bleeders plus a few assortments to cover 3/8‑24, 5/16‑24, 1/4‑28 and M10×1.0/1.5 threads. Pick brass for corrosion resistance, steel or alloy-steel bodies for strength, and kits with labeled cases and dust caps for convenience. Keep thread pitch, length and head style in mind to avoid leaks or damage. Stick with trusted Dorman and packed assortments, and keep going to get size-by-size fit tips and best-practice guidance.
| Brake Bleeder Screws with Grease Caps (2-Pack) |
| Dust-Protected Replacement | Thread Size / Thread Type: 3/8-24 (UNC, right-hand) | Material / Construction: Carbon steel (main) with rubber caps | Pack / Piece Count: 2 pieces (2 screws + 2 caps) | VIEW LATEST PRICE | Read Our Analysis |
| Dorman 13949 Bleeder Screw Assortment Kit (10-Piece) |
| Trusted OEM Fit | Thread Size / Thread Type: UNC (various UNC sizes; kit labeled as bleeder screws — includes UNC sizes; product 13949 listed as UNC) | Material / Construction: Brass | Pack / Piece Count: 10 pieces | VIEW LATEST PRICE | Read Our Analysis |
| 36-Piece Brake Bleeder Valve Screw Assortment Kit |
| Comprehensive Assortment | Thread Size / Thread Type: Mixed — includes 3/8-24, 5/16-24, 1/4-28, M10x1.5, M10x1.0 | Material / Construction: (Not explicitly stated for each group) typical metallic bleeder valves (assortment implies steel/brass; groups reference standard replacement parts) — listed replacements imply steel/brass compatibility | Pack / Piece Count: 36 pieces (groups totaling 36) | VIEW LATEST PRICE | Read Our Analysis |
| Brass 1/8″ NPT Bleeder Screws (4-Pack) |
| Precision Brass Set | Thread Size / Thread Type: 1/8-27 NPT main thread (assembly) / 1/4-28 bleeder screw | Material / Construction: Brass | Pack / Piece Count: 4 sets (4 bleeder screw assemblies) | VIEW LATEST PRICE | Read Our Analysis |
| Dorman Brake Bleeder Screws Quick Bleeders (2-Pack) |
| Quick-Connect Replacement | Thread Size / Thread Type: 3/8-24 (UNC, right-hand) | Material / Construction: Brass head; alloy steel body | Pack / Piece Count: 2 pieces | VIEW LATEST PRICE | Read Our Analysis |
| Brake Caliper & Wheel Cylinder Screw Assortment (90pc) |
| Ultimate Variety Pack | Thread Size / Thread Type: Mixed SAE & metric — includes 1/4-28, 5/16-24, 3/8-24, 7/16-20, 7/16-24, M10 variants, etc. | Material / Construction: Mixed metals (SAE & metric brake screws — variety of steels/alloys) | Pack / Piece Count: 90 pieces | VIEW LATEST PRICE | Read Our Analysis |
| 36-Piece Brake Bleeder Screw Assortment Kit |
| Garage-Friendly Kit | Thread Size / Thread Type: Mixed — 3/8-24, 5/16-24, 1/4-28, M10x1.5, M10x1.0 (two lengths) | Material / Construction: Iron | Pack / Piece Count: 36 pieces | VIEW LATEST PRICE | Read Our Analysis |
| Brake Valve & Bleeder Screw Assortment Kit (90 PCS) |
| Professional Supply | Thread Size / Thread Type: Mixed SAE & metric (18 types; assorted bleeder screw thread sizes) | Material / Construction: Mixed metals (assortment of standard bleeder screw metals) | Pack / Piece Count: 90 pieces | VIEW LATEST PRICE | Read Our Analysis |
| Dorman Brake Bleeder Screws M10-1.0 (2 Pack) |
| Toyota/Lexus Fit | Thread Size / Thread Type: M10-1.0 x 35 mm | Material / Construction: Metal (Dorman quality metal; typical brass/steel construction for M10 bleeders) | Pack / Piece Count: 2 pieces | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Brake Bleeder Screws with Grease Caps (2-Pack)
Should you’re replacing worn bleeder screws on common domestic brake systems, these 3/8-24 × 1-3/16 carbon-steel bleeder screws with rubber grease caps are a solid, low-cost choice— they’re fully threaded for reliable sealing and the dust caps keep out water, oil, and grit so your bleed points stay serviceable longer. You’ll get two hex-head screws and two rubber caps, sized 3/8-24 right-hand thread, 1.18 inch length, 0.37 inch diameter. Carbon steel gives high hardness and low deformation for frequent use, while caps prevent rust and clogging. Check your original screw size before buying; CXCCOI offers a 30-day return.
- Thread Size / Thread Type:3/8-24 (UNC, right-hand)
- Material / Construction:Carbon steel (main) with rubber caps
- Pack / Piece Count:2 pieces (2 screws + 2 caps)
- Intended Use / Application:Brake bleeder screw replacement / brake system maintenance
- Head Style / Drive Type:Hex head
- Corrosion / Durability Features:High hardness, anti-wear, water/dust/oil resistant; rubber caps to prevent rust/clogging
- Additional Feature:Includes rubber dust caps
- Additional Feature:Carbon steel construction
- Additional Feature:Compact 2-piece set
Dorman 13949 Bleeder Screw Assortment Kit (10-Piece)
In case you’re a DIYer or professional mechanic who needs a reliable replacement for missing or fatigued brake bleeder screws, the Dorman 13949 10-piece kit delivers durable, direct-fit brass replacements that match original function. You’ll get ten fully threaded, UNC right-hand hex-point screws with a silver finish engineered for dependable performance and a maximum shear strength of 50 MPa. The kit’s compact 2.4-ounce pack covers many OEM part numbers; confirm fit using the garage tool and Confirmed Fit bar. Backed through Dorman’s U.S. product experts and long automotive experience, it’s a practical, low-cost fix.
- Thread Size / Thread Type:UNC (various UNC sizes; kit labeled as bleeder screws — includes UNC sizes; product 13949 listed as UNC)
- Material / Construction:Brass
- Pack / Piece Count:10 pieces
- Intended Use / Application:Direct replacement for brake bleeder screws on compatible vehicles
- Head Style / Drive Type:Hex head (hex point)
- Corrosion / Durability Features:Brass (corrosion-resistant material)
- Additional Feature:Brass material finish
- Additional Feature:OEM cross-reference list
- Additional Feature:Backed by Dorman expertise
36-Piece Brake Bleeder Valve Screw Assortment Kit
Should you work on a wide range of domestic and import brake systems, this 36-piece Brake Bleeder Valve Screw Assortment Kit gives you the right bleeder for the job without hunting for replacements. You get five groups: six 3/8-24 x 1.18 in, six 5/16-24 x 1.01 in, six 1/4-28 x 0.92 in, six M10 x 1.5 (29.2 mm), and twelve M10 x 1.0 split between 29.2 mm and 35.1 mm lengths. Each size replaces common OE numbers, so you’ll match factory threads and lengths quickly. The kit saves time and eliminates guesswork whenever servicing wheel cylinders and calipers.
- Thread Size / Thread Type:Mixed — includes 3/8-24, 5/16-24, 1/4-28, M10x1.5, M10x1.0
- Material / Construction:(Not explicitly stated for each group) typical metallic bleeder valves (assortment implies steel/brass; groups reference standard replacement parts) — listed replacements imply steel/brass compatibility
- Pack / Piece Count:36 pieces (groups totaling 36)
- Intended Use / Application:Replacement bleeder valves for calipers/wheel cylinders (assortment)
- Head Style / Drive Type:(Varied) standard bleeder head styles referenced — kit groups for caliper bleeders (assortment implies common hex/socket types)
- Corrosion / Durability Features:Replacement-grade valves (intended as durable replacement; cross-reference OE parts)
- Additional Feature:Multi-standard replacements included
- Additional Feature:Packaged by thread groups
- Additional Feature:Replaces many part numbers
Brass 1/8″ NPT Bleeder Screws (4-Pack)
In the event you work on aftermarket calipers or do regular brake repairs, these brass 1/8″ NPT bleeder screws are ideal—each pack gives you four precision-engineered, corrosion-resistant assemblies that replace worn or stripped bleeders and provide a secure seal with 1/8″-27 NPT main threads and 1/4″-28 screw fittings. You’ll find high-quality brass construction resists corrosion and guarantees long-term service. They fit a wide range of aftermarket calipers, handle easily during installation, and suit inclusion in repair kits. Check the package to confirm four sets on arrival, and contact customer support should you have questions or encounter quality issues.
- Thread Size / Thread Type:1/8-27 NPT main thread (assembly) / 1/4-28 bleeder screw
- Material / Construction:Brass
- Pack / Piece Count:4 sets (4 bleeder screw assemblies)
- Intended Use / Application:Replacement bleeder screws for calipers
- Head Style / Drive Type:Standard bleeder screw head (compatible with typical bleeder tools; assembly includes bleeder screw)
- Corrosion / Durability Features:Brass (corrosion-resistant, precision engineered)
- Additional Feature:1/8″-27 NPT main thread
- Additional Feature:Supplied as 4 sets
- Additional Feature:Caliper-specific design
Dorman Brake Bleeder Screws Quick Bleeders (2-Pack)
In case you need a quick, direct replacement for a stripped or missing bleeder screw, the Dorman 12701 Quick Bleeders (2-pack) are built for mechanics and DIYers who want reliable, OEM-fit parts without fuss. You get two 3/8-24 x 1-3/16 in. UNC bleeder screws with brass heads and alloy steel bodies, machined finish, hex head, and fully threaded 2A fit. They match factory fit on specified vehicles—verify fitment with the garage tool and Confirmed Fit annotations. Durable construction and high shear strength back long service life, and Dorman’s U.S.-based product support adds extra confidence.
- Thread Size / Thread Type:3/8-24 (UNC, right-hand)
- Material / Construction:Brass head; alloy steel body
- Pack / Piece Count:2 pieces
- Intended Use / Application:Direct replacement quick bleeders for brake systems
- Head Style / Drive Type:Hex head (hex point)
- Corrosion / Durability Features:Durable materials (brass/alloy steel for reliable service)
- Additional Feature:Dorman quick-bleeder design
- Additional Feature:Brass head with alloy steel
- Additional Feature:Vehicle fit verification tool
Brake Caliper & Wheel Cylinder Screw Assortment (90pc)
A 90-piece Brake Caliper & Wheel Cylinder Screw Assortment is ideal for DIYers and professional technicians who need a ready stock of bleeder screws for most passenger cars and light trucks. You get a mix of SAE and metric sizes, covering common caliper bleeder screws and wheel cylinder replacements so you won’t chase individual parts. The kit lists M7, M8, M10 variants with multiple lengths and SAE 1/4-28 up to 7/16 sizes, providing fit options for varied applications. With 90 total pieces, multiple lengths per thread, and broad compatibility, this assortment minimizes downtime and repeated purchases.
- Thread Size / Thread Type:Mixed SAE & metric — includes 1/4-28, 5/16-24, 3/8-24, 7/16-20, 7/16-24, M10 variants, etc.
- Material / Construction:Mixed metals (SAE & metric brake screws — variety of steels/alloys)
- Pack / Piece Count:90 pieces
- Intended Use / Application:Replace damaged/lost bleeder screws for calipers and wheel cylinders
- Head Style / Drive Type:Mixed head styles (assortment includes common bleeder head types)
- Corrosion / Durability Features:Assortment built for long-term use across vehicles (multiple finishes/sizes for durability)
- Additional Feature:Large 90-piece kit
- Additional Feature:Multiple lengths per size
- Additional Feature:Both SAE and metric
36-Piece Brake Bleeder Screw Assortment Kit
Should you work on a mix of domestic and import cars, the 36PCS Brake Bleeder Screw Assortment Kit gives you the thread variety and organized portability you need, with six common SAE and metric sizes packed in a labeled case so you can grab the right replacement fast. You get 36 iron screws (flat head, socket point) in three UNC and three metric lengths, corrosion-resistant for long service. The transparent case has labeled compartments for quick ID. The set fits most calipers and wheel cylinders, cross-references many part numbers, and suits shops or DIYers needing a compact, practical bleeder screw solution.
- Thread Size / Thread Type:Mixed — 3/8-24, 5/16-24, 1/4-28, M10x1.5, M10x1.0 (two lengths)
- Material / Construction:Iron
- Pack / Piece Count:36 pieces
- Intended Use / Application:Replacement bleeder screws for calipers and wheel cylinders (SAE & metric)
- Head Style / Drive Type:Flat head (listed) — kit specifies flat head for these pieces
- Corrosion / Durability Features:Iron with corrosion-resistant finish (designed for wear resistance)
- Additional Feature:Comes with labeled case
- Additional Feature:Flat head style
- Additional Feature:Iron construction
Brake Valve & Bleeder Screw Assortment Kit (90 PCS)
In case you work on a variety of vehicles and need fast replacements, this 90-piece Brake Valve & Bleeder Screw Assortment Kit is your best choice — it’s packed with 18 common screw types (both SAE and metric) so you can swap out damaged or lost bleeders without hunting down parts. You get 90 total screws covering brake valves, calipers, and wheel cylinders, designed to replace part number 30300. The kit fits most vehicles and handles rotor, caliper, and wheel cylinder applications. A clear plastic carrying case keeps screws organized and portable, so you can bleed brakes and perform replacements efficiently on the go.
- Thread Size / Thread Type:Mixed SAE & metric (18 types; assorted bleeder screw thread sizes)
- Material / Construction:Mixed metals (assortment of standard bleeder screw metals)
- Pack / Piece Count:90 pieces
- Intended Use / Application:Replacement bleeder screws for brake valves / calipers / wheel cylinders
- Head Style / Drive Type:Mixed/common bleeder head types for valve and caliper use
- Corrosion / Durability Features:Assortment intended for replacement use — materials/finishes to resist corrosion in brake systems
- Additional Feature:18 screw types included
- Additional Feature:Clear carrying case
- Additional Feature:Replaces part 30300
Dorman Brake Bleeder Screws M10-1.0 (2 Pack)
Should you need a quick, reliable replacement for missing or worn bleeder screws on select Toyota or Lexus models, Dorman’s M10-1.0 (2 pack) gives you OEM-fit performance with durable construction and an easy direct swap. You’ll get two M10-1.0 x 35 mm quick bleeders that match factory fit and function for specified years and trims; verify fit using the vehicle lookup tool before ordering. Built from quality materials, they resist fatigue and provide dependable bleeding during routine maintenance or repair. Backed by U.S.-based product experts and a century-plus manufacturer pedigree, they’re a practical, trustworthy OEM-style replacement.
- Thread Size / Thread Type:M10-1.0 x 35 mm
- Material / Construction:Metal (Dorman quality metal; typical brass/steel construction for M10 bleeders)
- Pack / Piece Count:2 pieces
- Intended Use / Application:Direct replacement quick bleeders (M10-1.0) for select Toyota/Lexus models
- Head Style / Drive Type:Hex head (quick bleeder style)
- Corrosion / Durability Features:Dorman quality materials designed for dependable, long service life
- Additional Feature:M10-1.0 x 35 mm size
- Additional Feature:Toyota/Lexus fitment focus
- Additional Feature:Dorman quick-bleeder design
Factors to Consider When Choosing Wheel Cylinder Bleeder Brake Screws
Whenever picking wheel cylinder bleeder screws, you’ll want to make sure the thread size and type match your brake cylinder to avoid leaks or stripped threads. Check material durability and corrosion resistance so the screw holds up to heat, moisture, and brake fluid. Also consider head style for easy access with your tools during bleeding and maintenance.
Thread Size Match
Although it seems minor, matching the exact thread size of a wheel cylinder bleeder screw is critical because even a slight difference in diameter, pitch, or standard (UNC vs metric) will stop the screw from engaging and sealing properly. You should always verify the exact specification (3/8‑24 UNC, 5/16‑24 UNC, 1/4‑28 UNC, M10×1.0, M10×1.5) and confirm thread hand—right‑hand is typical. Match thread length to port depth so the screw seats without bottoming out or leaving inadequate engagement. Check whether threads are full or partial and compare diameter, pitch, and thread class to the original whenever replacing a damaged screw. Using the correct standard prevents cross‑threading and preserves sealing integrity under hydraulic pressure.
Material Durability
Durability matters because bleeder screws sit in a harsh, corrosive environment and must keep a pressure-tight seal over time, so you’ll want to weigh material trade-offs carefully. Steel (carbon or alloy) gives you high hardness and wear resistance but needs protective plating or coatings to prevent rust and thread galling. Brass stays naturally corrosion-resistant and is softer, which helps prevent thread damage but can deform under high torque or repeated use. Stainless steel offers both strength and long service life, though it can gall against softer mating parts unless you lubricate or coat threads. Look for appropriate surface treatments—zinc, nickel, or passivation—and use rubber or synthetic dust caps to block contaminants and extend service life.
Corrosion Resistance
Material choice and protective treatments you considered for durability directly affect how well a bleeder screw resists corrosion in wet, salty, or humid conditions. Choose brass or stainless steel over plain carbon steel; they resist rust and galvanic attack in moist brake systems. Prefer screws with nickel, zinc, or chrome plating to add a barrier against surface oxidation and extend service life. Use rubber dust caps or seals to keep water, road salt, and debris off the screw and slow corrosion that causes seizing. Mind dissimilar-metal pairings—avoid fitting a steel screw into an aluminum caliper unless materials are electrically compatible or isolated to prevent galvanic corrosion. Match material and protective rating to your local exposure and usage frequency for reliable bleeding access.
Thread Type Compatibility
Upon selecting a bleeder screw, make sure the thread type and size exactly match the caliper or wheel cylinder port—mismatched pitch, diameter, or hand will either fail to seal, strip the port, or seize up once you try to tighten it. Confirm the thread standard (UNC or metric) — for example 3/8-24 or M10×1.0/M10×1.5 — because wrong pitch or form won’t engage. Match diameter precisely (3/8 ≈ 0.375 in or 10 mm) to avoid sealing failures or cross-threading. Check thread length and whether it’s full or partial thread so the screw reaches the port depth and seats correctly. Verify thread hand (usually right-hand) and class/tolerance to prevent play or interference. For mixed OEM fleets, carry 1/4-28, 5/16-24, 3/8-24 and common M10 variants.
Head Style Accessibility
How will you access the bleeder screw while space and corrosion work against you? Pick hex-head or socket-style heads whenever possible — they mate with standard wrenches and give better torque transfer, lowering rounding risk versus slotted heads. In tight caliper or wheel-cylinder locations, low-profile heads help fit into confined gaps, but be aware they often need thin-wall sockets or specialized box-end tools. Avoid deeply recessed or rounded heads that trap dirt and corrosion; choose geometry that sheds debris or accepts dust caps. Also select a head you can treat with penetrating spray and apply breaker tools to, yet still control torque to prevent snapping the screw in restricted spaces. Matching head style to access conditions prevents damage and simplifies maintenance.
Seal And Fit
Fit and sealing matter because even a perfectly sized bleeder screw will leak whenever the threads, length, or seat geometry don’t match the wheel cylinder port. You must match thread size and pitch exactly (e.g., 3/8-24 UNC or M10×1.0) so threads fully engage and compress mating surfaces. Check screw length and thread coverage to avoid bottoming out or leaving an unthreaded gap that prevents sealing or interferes with internals. Confirm conical versus flat seat geometry on both components—wrong seat shape stops uniform contact and causes leaks. Verify head style and tool fit so you can apply correct torque without rounding. Finally, inspect sealing features like rubber dust caps or soft-seat profiles to make certain they align with the port and keep contaminants and pressure leaks at bay.
Included Accessories
After you confirm thread, length, and seat compatibility, check what comes in the bleeder screw kit—accessories determine how quickly and cleanly you’ll finish the job. You’ll want protective caps or dust boots to keep out water, dirt, and brake fluid that corrode threads and clog valves. Prefer kits with a variety of screw sizes and lengths plus labeled compartments so you grab the right replacement immediately. Look for sealing washers or O-rings made of rubber or compatible elastomers to restore a leak-free seal at the caliper or wheel cylinder. A small carrying case or organizer with size markings reduces installation time and prevents lost parts. Should you service brakes often, choose assortments that include multiple common pieces and extra dust caps.
Vehicle Fitment Verification
Want to be certain the bleeder screw will actually fit before you buy? Check thread size and pitch against the service manual or parts diagram — common options include 3/8-24, 5/16-24, 1/4-28, M10×1.0 and M10×1.5. Verify overall length (including thread engagement); typical lengths run ~0.92 in (1/4-28) to ~1.18–1.49 in (3/8-24), and the wrong length can stop proper sealing or engagement. Confirm thread form (UNC vs. metric) and hand — right-hand is usual — because mixing forms will cross‑thread and ruin the caliper or wheel cylinder. Use the VIN or exact make/model/year/engine/transmission whenever checking fitment charts. In case documentation’s missing, measure the existing screw’s outer diameter and pitch with calipers or a thread gauge.
