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TXXATX Bike Stem Bolts Review: Durable Replacements for Common Bicycle Fixings

TXXATX 12 Pieces Bike Bolts M5 x 20 mm Bike Stem Fixed Screws with Washers 304 Stainless Steel Handlebar Stem Screws Silver Bike Disc Brake Caliper Bolts with 4 mm Allen Key for Road Mountain Bike
4.7
[Complete Bolt Set]  12 M5x20 stainless steel bolts and 4mm hex wrench included for immediate installation.
[Durable Stainless Steel]  304 stainless steel resists corrosion and wear for long-lasting strength.
[Precision Threading]  Finely polished with accurate threads ensures secure, tight connections.
[Easy Installation]  Included 4mm Allen wrench enables quick installation without extra tools.
[Versatile Compatibility]  Fits handlebars, bottle cages, valve stems, racks, and seat clamps across bike types.
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Bicycle replacement hardware designed to secure stems, bottle cages and accessories while resisting corrosion. Riders who value tidy maintenance and reliable repairs will welcome TXXATX Bike Stem Bolts as a straightforward way to keep bikes serviceable. Are M5 x 20 mm screws the right fit for your fittings and fixtures?

⚡ At a Glance
  • Fastening Reliability: Precise threading and M5 x 20 mm sizing give a consistent, secure hold
  • Best for: Cyclists, mechanics and home maintenance who need durable replacement bolts
  • Not ideal for: Applications needing larger diameters or specialised torque fittings

Made from 304 stainless steel with finely polished heads and accurate threads. Supplied as a 12-piece set with a 4 mm Allen wrench for straightforward installation.


Long-lasting corrosion resistance - with 304 stainless steel

304 stainless steel resists oxidation and surface corrosion thanks to a chromium-rich composition and high hardness. The material choice reduces risk of rust in wet or coastal environments.

Corrosion resistance extends usable life and reduces the need for frequent replacements, keeping fittings reliable through seasons of riding.

Consistent, secure fastening - with precise M5 x 20 mm threading

M5 x 20 mm sizing and a detailed thread design ensure repeatable torque and secure engagement with common bicycle mounts. Finely polished heads reduce burrs that could interfere with seating.

Secure connections for handlebars, bottle cages and seat clamps cut the chances of loosening during rides and make maintenance predictable.

Quick maintenance and replacements - thanks to included 4 mm Allen key and 12-piece set

A complete set of twelve screws covers multiple mounting points while the supplied 4 mm hex key matches the screw heads for correct drive engagement. Inclusion of the tool prevents head rounding during fitting.

Multiple spare bolts and the correct hex key let riders complete repairs roadside or at home without searching for additional tools.

✨ The 4 Key Reasons for TXXATX Bike Stem Bolts
  1. 304 Stainless Steel, resists rust for reliable outdoor performance
  2. M5 x 20 mm Size, fits common stems and accessories without modification
  3. Included 4 mm Allen Key, prevents head rounding and speeds installation
  4. 12-Piece Kit, provides enough spares for several maintenance jobs
📋 Technical Details at a Glance
  • Category: Bicycle hardware
  • Material: 304 stainless steel
  • Bolt Size: M5 x 20 mm
  • Thread: Finely detailed thread design
  • Quantity: 12 screws
❓ Frequently Asked Questions

Q: Are these bolts the right size for most bike stems?

A: M5 x 20 mm sizing matches many common stems and accessory mounts, and descriptions state compatibility with most bicycle models including mountain and road bikes.

Q: Do the bolts come with a tool for installation?

A: Yes, the set includes a 4 mm hexagon wrench to install and remove the screws without needing extra tools.

Q: Will these bolts resist rust and weathering?

A: Construction from 304 stainless steel and a finely polished finish deliver strong corrosion resistance suitable for outdoor use.

🏆 Our Verdict

Ideal for cyclists and home mechanics who need reliable replacement fasteners for common bike fittings. The combination of 304 stainless steel construction, precise M5 x 20 mm threading and an included 4 mm Allen key makes maintenance straightforward and dependable. A practical, long-lasting kit that delivers good value through fewer replacements and easier repairs.