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HTD 3M Timing Belts – Precision Synchronous Belts for Compact Drives

At Bolton Engineering Products Ltd, we supply a complete range of HTD 3M timing belts, engineered for accurate, smooth, and reliable motion transfer in light- to medium-duty applications.

Our HTD belts use a curvilinear tooth profile that offers higher load capacity and reduced slippage compared to standard trapezoidal belts.

Whether you need a replacement 3M timing belt or are designing a compact synchronous drive system with an HTD 3M synchronous timing pulley, BEP Ltd provides premium belts for high-precision performance.

What Are HTD 3M Timing Belts?

The HTD 3M belt is a synchronous drive belt with a 3mm pitch between each tooth.
It works in combination with matching HTD 3M synchronous timing pulleys to deliver:

  • Smooth torque transmission
  • Zero slippage
  • Quiet operation
  • Precise speed ratio control
  • These belts are ideal for compact mechanical systems requiring accuracy and reliability.

Common Applications Include:

  • 3D printers and small CNC machines
  • Robotics and automation equipment
  • Office machinery
  • Packaging and light conveyor systems
  • Electronic assembly tools

Technical Specifications

Specification

Details

Product Type

HTD 3M Timing Belt

Tooth Pitch

3mm (HTD Curvilinear Profile)

Belt Material

Neoprene / Polyurethane (PU)

Reinforcement

Fiberglass / Steel Cord (depending on model)

Compatibility

Works with HTD 3M Synchronous Timing Pulleys

Width Options

6mm / 9mm / 15mm

Operating Temperature

-20°C to +80°C

Belt Types Available

Endless

Typical Uses

Automation, Robotics, Light Machinery, Small Drives

Key Features & Benefits

  • Precise, Synchronous Drive: Designed for zero-slip power transfer and consistent speed control.
  • Strong Load Capacity: HTD curvilinear teeth maximize strength in compact systems.
  • Low Noise Operation: Smooth belt engagement for quiet mechanical movement.
  • Versatile Fitment: Compatible with all HTD 3M synchronous timing pulleys.
  • Multiple Belt Types: Available in endless, open-ended, and double-sided configurations.
  • Fast Delivery: Large UK stock ready for same-day dispatch.

Why Choose Bolton Engineering Products Ltd?

  • As a trusted UK supplier of synchronous belts and pulleys, BEP Ltd offers:
  • Extensive stock of HTD 3M timing belts and matching pulleys
  • High-quality products from reliable global manufacturers
  • Competitive pricing and bulk order options
  • Expert technical guidance for belt and pulley selection
  • Quick UK delivery and easy online ordering

Whether you're upgrading a machine or replacing a worn belt, BEP Ltd ensures consistent quality, durability, and optimal performance.

FAQs

Q1: What does HTD 3M mean?

“HTD 3M” refers to a High Torque Drive belt with a 3mm pitch tooth spacing and a rounder, curvilinear tooth design for improved torque transmission.

Q2: Are HTD belts interchangeable with trapezoidal timing belts?

No. HTD belts require matching HTD pulleys due to their unique tooth shape.

Q3: What width should I choose — 6mm, 9mm, or 15mm?

  • 6mm for very light-duty applications
  • 9mm for standard compact drives
  • 15mm for higher torque loads

Q4: Do you supply pulleys for HTD 3M timing belts?

Yes, we also stock HTD 3M synchronous timing pulleys compatible with every 3M belt profile.

Timing Belts - HTD 3M

HTD 3M Timing Belts – Precision Synchronous Belts for Compact Drives

At Bolton Engineering Products Ltd, we supply a complete range of HTD 3M timing belts, engineered for accurate, smooth, and reliable motion transfer in light- to medium-duty applications.

Our HTD belts use a curvilinear tooth profile that offers higher load capacity and reduced slippage compared to standard trapezoidal belts.

Whether you need a replacement 3M timing belt or are designing a compact synchronous drive system with an HTD 3M synchronous timing pulley, BEP Ltd provides premium belts for high-precision performance.

What Are HTD 3M Timing Belts?

The HTD 3M belt is a synchronous drive belt with a 3mm pitch between each tooth.
It works in combination with matching HTD 3M synchronous timing pulleys to deliver:

  • Smooth torque transmission
  • Zero slippage
  • Quiet operation
  • Precise speed ratio control
  • These belts are ideal for compact mechanical systems requiring accuracy and reliability.

Common Applications Include:

  • 3D printers and small CNC machines
  • Robotics and automation equipment
  • Office machinery
  • Packaging and light conveyor systems
  • Electronic assembly tools

Technical Specifications

Specification

Details

Product Type

HTD 3M Timing Belt

Tooth Pitch

3mm (HTD Curvilinear Profile)

Belt Material

Neoprene / Polyurethane (PU)

Reinforcement

Fiberglass / Steel Cord (depending on model)

Compatibility

Works with HTD 3M Synchronous Timing Pulleys

Width Options

6mm / 9mm / 15mm

Operating Temperature

-20°C to +80°C

Belt Types Available

Endless

Typical Uses

Automation, Robotics, Light Machinery, Small Drives

Key Features & Benefits

  • Precise, Synchronous Drive: Designed for zero-slip power transfer and consistent speed control.
  • Strong Load Capacity: HTD curvilinear teeth maximize strength in compact systems.
  • Low Noise Operation: Smooth belt engagement for quiet mechanical movement.
  • Versatile Fitment: Compatible with all HTD 3M synchronous timing pulleys.
  • Multiple Belt Types: Available in endless, open-ended, and double-sided configurations.
  • Fast Delivery: Large UK stock ready for same-day dispatch.

Why Choose Bolton Engineering Products Ltd?

  • As a trusted UK supplier of synchronous belts and pulleys, BEP Ltd offers:
  • Extensive stock of HTD 3M timing belts and matching pulleys
  • High-quality products from reliable global manufacturers
  • Competitive pricing and bulk order options
  • Expert technical guidance for belt and pulley selection
  • Quick UK delivery and easy online ordering

Whether you're upgrading a machine or replacing a worn belt, BEP Ltd ensures consistent quality, durability, and optimal performance.

FAQs

Q1: What does HTD 3M mean?

“HTD 3M” refers to a High Torque Drive belt with a 3mm pitch tooth spacing and a rounder, curvilinear tooth design for improved torque transmission.

Q2: Are HTD belts interchangeable with trapezoidal timing belts?

No. HTD belts require matching HTD pulleys due to their unique tooth shape.

Q3: What width should I choose — 6mm, 9mm, or 15mm?

  • 6mm for very light-duty applications
  • 9mm for standard compact drives
  • 15mm for higher torque loads

Q4: Do you supply pulleys for HTD 3M timing belts?

Yes, we also stock HTD 3M synchronous timing pulleys compatible with every 3M belt profile.

375-3M-06-375-RPP3-6-RPP-Megadyne-Timing-Belt

375-3M-06 375 RPP3 6 RPP HTD Megadyne Megasync Isoran Timing Belt

£3.05 - £3.05
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£3.05 - £3.05
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ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

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384-3M-09-384-RPP3-9-RPP-Megadyne-Timing-Belt

384-3M-09 384 RPP3 9 RPP HTD Megadyne Megasync Isoran Timing Belt

£4.67 - £4.67
£4.67
£4.67 - £4.67
£4.67

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

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£4.67 - £4.67
£4.67
£4.67 - £4.67
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375-3M-09-375-RPP3-9-RPP-Megadyne-Timing-Belt

375-3M-09 375 RPP3 9 RPP HTD Megadyne Megasync Isoran Timing Belt

£4.57 - £4.57
£4.57
£4.57 - £4.57
£4.57

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

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£4.57 - £4.57
£4.57
£4.57 - £4.57
£4.57
363-3M-06-363-RPP3-6-RPP-Megadyne-Timing-Belt

363-3M-06 363 RPP3 6 RPP HTD Megadyne Megasync Isoran Timing Belt

£2.95 - £2.95
£2.95
£2.95 - £2.95
£2.95

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

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£2.95 - £2.95
£2.95
£2.95 - £2.95
£2.95
375-3M-15-375-RPP3-15-RPP-Megadyne-Timing-Belt

375-3M-15 375 RPP3 15 RPP HTD Megadyne Megasync Isoran Timing Belt

£7.63 - £7.63
£7.63
£7.63 - £7.63
£7.63

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

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£7.63 - £7.63
£7.63
£7.63 - £7.63
£7.63
363-3M-09-363-RPP3-9-RPP-Megadyne-Timing-Belt

363-3M-09 363 RPP3 9 RPP HTD Megadyne Megasync Isoran Timing Belt

£4.42 - £4.42
£4.42
£4.42 - £4.42
£4.42

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£4.42 - £4.42
£4.42
£4.42 - £4.42
£4.42
357-3M-09-357-RPP3-9-RPP-Megadyne-Timing-Belt

357-3M-09 357 RPP3 9 RPP HTD Megadyne Megasync Isoran Timing Belt

£4.35 - £4.35
£4.35
£4.35 - £4.35
£4.35

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

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£4.35 - £4.35
£4.35
£4.35 - £4.35
£4.35
357-3M-06-357-RPP3-6-RPP-Megadyne-Timing-Belt

357-3M-06 357 RPP3 6 RPP HTD Megadyne Megasync Isoran Timing Belt

£2.91 - £2.91
£2.91
£2.91 - £2.91
£2.91

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

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£2.91 - £2.91
£2.91
£2.91 - £2.91
£2.91
363-3M-15-363-RPP3-15-RPP-Megadyne-Timing-Belt

363-3M-15 363 RPP3 15 RPP HTD Megadyne Megasync Isoran Timing Belt

£7.37 - £7.37
£7.37
£7.37 - £7.37
£7.37

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£7.37 - £7.37
£7.37
£7.37 - £7.37
£7.37
339-3M-06-339-RPP3-6-RPP-Megadyne-Timing-Belt

339-3M-06 339 RPP3 6 RPP HTD Megadyne Megasync Isoran Timing Belt

£2.76 - £2.76
£2.76
£2.76 - £2.76
£2.76

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£2.76 - £2.76
£2.76
£2.76 - £2.76
£2.76
339-3M-15-339-RPP3-15-RPP-Megadyne-Timing-Belt

339-3M-15 339 RPP3 15 RPP HTD Megadyne Megasync Isoran Timing Belt

£6.89 - £6.89
£6.89
£6.89 - £6.89
£6.89

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£6.89 - £6.89
£6.89
£6.89 - £6.89
£6.89
330-3M-06-330-RPP3-6-RPP-Megadyne-Timing-Belt

330-3M-06 330 RPP3 6 RPP HTD Megadyne Megasync Isoran Timing Belt

£2.69 - £2.69
£2.69
£2.69 - £2.69
£2.69

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£2.69 - £2.69
£2.69
£2.69 - £2.69
£2.69
336-3M-06-336-RPP3-6-RPP-Megadyne-Timing-Belt

336-3M-06 336 RPP3 6 RPP HTD Megadyne Megasync Isoran Timing Belt

£2.72 - £2.72
£2.72
£2.72 - £2.72
£2.72

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£2.72 - £2.72
£2.72
£2.72 - £2.72
£2.72
336-3M-09-336-RPP3-9-RPP-Megadyne-Timing-Belt

336-3M-09 336 RPP3 9 RPP HTD Megadyne Megasync Isoran Timing Belt

£4.11 - £4.11
£4.11
£4.11 - £4.11
£4.11

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£4.11 - £4.11
£4.11
£4.11 - £4.11
£4.11
336-3M-15-336-RPP3-15-RPP-Megadyne-Timing-Belt

336-3M-15 336 RPP3 15 RPP HTD Megadyne Megasync Isoran Timing Belt

£6.86 - £6.86
£6.86
£6.86 - £6.86
£6.86

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£6.86 - £6.86
£6.86
£6.86 - £6.86
£6.86
330-3M-09-330-RPP3-9-RPP-Megadyne-Timing-Belt

330-3M-09 330 RPP3 9 RPP HTD Megadyne Megasync Isoran Timing Belt

£4.04 - £4.04
£4.04
£4.04 - £4.04
£4.04

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£4.04 - £4.04
£4.04
£4.04 - £4.04
£4.04
318-3M-06-318-RPP3-6-RPP-Megadyne-Timing-Belt

318-3M-06 318 RPP3 6 RPP HTD Megadyne Megasync Isoran Timing Belt

£2.59 - £2.59
£2.59
£2.59 - £2.59
£2.59

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£2.59 - £2.59
£2.59
£2.59 - £2.59
£2.59
318-3M-09-318-RPP3-9-RPP-Megadyne-Timing-Belt

318-3M-09 318 RPP3 9 RPP HTD Megadyne Megasync Isoran Timing Belt

£3.87 - £3.87
£3.87
£3.87 - £3.87
£3.87

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£3.87 - £3.87
£3.87
£3.87 - £3.87
£3.87
312-3M-09-312-RPP3-9-RPP-Megadyne-Timing-Belt

312-3M-09 312 RPP3 9 RPP HTD Megadyne Megasync Isoran Timing Belt

£3.80 - £3.80
£3.80
£3.80 - £3.80
£3.80

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£3.80 - £3.80
£3.80
£3.80 - £3.80
£3.80
312-3M-15-312-RPP3-15-RPP-Megadyne-Timing-Belt

312-3M-15 312 RPP3 15 RPP HTD Megadyne Megasync Isoran Timing Belt

£6.33 - £6.33
£6.33
£6.33 - £6.33
£6.33

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£6.33 - £6.33
£6.33
£6.33 - £6.33
£6.33
300-3M-15-300-RPP3-15-RPP-Megadyne-Timing-Belt

300-3M-15 300 RPP3 15 RPP HTD Megadyne Megasync Isoran Timing Belt

£6.10 - £6.10
£6.10
£6.10 - £6.10
£6.10

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£6.10 - £6.10
£6.10
£6.10 - £6.10
£6.10
291-3M-15-291-RPP3-15-RPP-Megadyne-Timing-Belt

291-3M-15 291 RPP3 15 RPP HTD Megadyne Megasync Isoran Timing Belt

£5.92 - £5.92
£5.92
£5.92 - £5.92
£5.92

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£5.92 - £5.92
£5.92
£5.92 - £5.92
£5.92
291-3M-06-291-RPP3-6-RPP-Megadyne-Timing-Belt

291-3M-06 291 RPP3 6 RPP HTD Megadyne Megasync Isoran Timing Belt

£2.36 - £2.36
£2.36
£2.36 - £2.36
£2.36

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£2.36 - £2.36
£2.36
£2.36 - £2.36
£2.36
288-3M-06-288-RPP3-6-RPP-Megadyne-Timing-Belt

288-3M-06 288 RPP3 6 RPP HTD Megadyne Megasync Isoran Timing Belt

£2.34 - £2.34
£2.34
£2.34 - £2.34
£2.34

ISORAN RPP AND RPP DD Isoran RPP is the classic type of Isoran transmission belt, made in chloroprene rubber and suited for a very wide range...

View full details
£2.34 - £2.34
£2.34
£2.34 - £2.34
£2.34

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