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bzcemind Timing Belt: Reliable HTD 3M replacement for small machinery

5PCS Arc HTD 3M Timing belt Rubber Closed Loop Synchronous pitch 3mm,width 10mm,3M 231(Teeth77)
4.7
[Check Size Carefully]  Verify measurements before ordering to ensure proper fit and satisfaction.
[Choose Exact Size]  Select the size that matches your needs for optimal comfort and style.
[Avoid Wrong Purchases]  Careful size selection minimizes returns and exchange hassles.
[Size Guide Recommended]  Use size chart or measurements to pick the perfect fit.
[Tailored Fit Assurance]  Choosing the correct size ensures the product performs and looks as intended.
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Timing belts for small machines and repairs that restore precise synchronised motion, bzcemind Timing Belt. Peace of mind for makers and technicians who need predictable replacements. Will the five-belt pack match the pulley size required for a repair or upgrade?

⚡ At a Glance
  • Timing Accuracy: HTD 3M tooth profile with 3mm pitch and positive engagement
  • Best for: Hobbyists, makers and repair technicians replacing belts on compact machines
  • Not ideal for: Heavy industrial drives or high-temperature applications

Closed-loop rubber belt in HTD 3M profile, 3mm pitch and 10mm width. The pack contains five belts, each with 77 teeth corresponding to a 231 mm length.


Accurate timing and motion, with HTD 3M tooth profile

HTD 3M uses a 3mm pitch and curved tooth flanks so each tooth meshes precisely with matching pulleys. Positive engagement reduces lateral slip and keeps rotation synchronised.

Consistent tooth engagement helps prevent skipped steps and preserves alignment in small drives, making repairs more reliable.

Compact fit for small drives, with 10mm width and 231mm (77-tooth) length

A 10mm belt width suits narrow belt channels while 77 teeth at 3mm pitch equal a 231mm circumference. The size matches common compact pulley arrangements.

Narrow profile and defined length suit 3D printers, hobby CNC machines and small robotics where space and exact spacing matter.

Ready-to-install closed-loop rubber design, with pre-formed loop construction

Closed-loop rubber arrives without joins or fasteners, so no splicing, clamps or adhesives are required for installation. Rubber construction offers flexibility for small pulleys.

Faster, cleaner replacement and straightforward stock for routine maintenance or batch repairs.

✨ The 4 Key Reasons for bzcemind Timing Belt
  1. HTD 3M tooth profile - Maintains synchronised rotation under light to moderate loads
  2. 77-tooth length (3M231) - Matches pulley spacing for many compact machines accurately
  3. Closed-loop rubber construction - Ready to fit without splicing or adhesive joins
  4. 10mm narrow width - Suits confined belt channels while keeping low profile
📋 Technical Details at a Glance
  • Category: Timing belt
  • Brand: bzcemind
  • Pack quantity: 5 belts
  • Belt profile: HTD 3M
  • Pitch: 3 mm
❓ Frequently Asked Questions

Q: How do I check if this belt fits my machine?

A: Match the HTD 3M profile and the 3mm pitch, and confirm the width is 10mm and the tooth count is 77 (3M231 equals 231mm circumference). Measure pulley tooth spacing and count teeth to ensure compatibility.

Q: Are the belts ready to install or do they need joining?

A: Belts are supplied as closed-loop rubber, so they arrive ready to install without splicing or adhesive joins.

Q: How many belts are included in the pack?

A: The listing specifies five belts in the pack.

🏆 Our Verdict

A five-belt pack suited to hobbyists, makers and repair technicians needing reliable spares for small machines. Accurate HTD 3M tooth profile, 3mm pitch, 10mm width and closed-loop rubber construction make replacements straightforward. Offered as a multi-pack for routine maintenance, providing good long-term value for regular upkeep.