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SKU: HTDPB348M20
HTD Timing Belt Pulleys
34-8M-20 HTD PULLEY PILOT BORE
£14.99
ex. VAT · £17.99 inc. VAT
JS9 Tight Fit Anti-Roll
H7 Precision Transition Fit
ISO 9001 Quality Assured
Technical Specifications
Number of Teeth
34
Pitch (mm)
8
Belt Width (mm)
20
Bore Type
Pilot Bore
Pitch Diameter (mm)
86.58
Outside Diameter (mm)
85.21
Face Width (mm)
28
Min Bore (mm)
15
Max Bore (mm)
60
Weight
1.4kg
Dimensions (L × W × H)
8.5 × 8.5 × 2 cm
Overall envelope
Standards & Fit
JS9
JS9 Keyway
Tight fit anti-roll standard
H7
Precision Transition Fit
Precision bore fit
ISO
ISO 9001:2015
Quality Assured
| Parameter | Value | Notes |
|---|---|---|
| SKU | HTDPB348M20 | Aroflex part number |
| Number of Teeth | 34 | |
| Pitch (mm) | 8 | |
| Belt Width (mm) | 20 | |
| Bore Type | Pilot Bore | |
| Pitch Diameter (mm) | 86.58 | |
| Outside Diameter (mm) | 85.21 | |
| Face Width (mm) | 28 | |
| Min Bore (mm) | 15 | |
| Max Bore (mm) | 60 | |
| Weight | 1.4 kg | |
| Dimensions | 8.5 × 8.5 × 2 cm | Overall envelope |
| Bore Tolerance | H7 | Precision transition fit |
| Certification | ISO 9001:2015 | Quality assured |
34-8M-20 HTD Pilot Bore Timing Pulley
The 34-8M-20 HTD Timing Pulley delivers stable mechanical reductions and premium torque tracking for substantial industrial drivetrains. Its 34 heavy curvilinear teeth follow an 8mm pitch track, managing 20mm wide timing belts smoothly to lower noise thresholds and prolong component lifetime. The central hub arrives as a plain pilot bore to accommodate clean lathe modifications.
Product Features & Specifications
- Tooth Configuration: 34 precision-machined synchronous HTD teeth.
- Pitch & Belt Width: 8mm high-torque drive profile engineered for 20mm wide timing belts.
- Bore Status: Unbored stock hub with a minimal guide hole to facilitate clean machine shop alterations.
- Industrial Build Quality: Built with premium high-strength Cast Iron (GG) or Steel (St).
- Boring & Keying Readiness: Provided in standard raw stock configuration. Tailor the internal bore sizes directly to your shafts via our In-House Machining Services.
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