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SKU: HTDPB123M15
HTD Timing Belt Pulleys
12-3M-15 HTD PULLEY PILOT BORE
£2.73
ex. VAT · £3.28 inc. VAT
JS9 Tight Fit Anti-Roll
H7 Precision Transition Fit
ISO 9001 Quality Assured
Technical Specifications
Number of Teeth
12
Pitch (mm)
3
Belt Width (mm)
15
Bore Type
Pilot Bore
Pitch Diameter (mm)
11.46
Outside Diameter (mm)
10.7
Face Width (mm)
20
Min Bore (mm)
4
Max Bore (mm)
6
Weight
0.02kg
Dimensions (L × W × H)
2.6 × 2.6 × 1.5 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 | HTDPB123M15 | Aroflex part number |
| Number of Teeth | 12 | |
| Pitch (mm) | 3 | |
| Belt Width (mm) | 15 | |
| Bore Type | Pilot Bore | |
| Pitch Diameter (mm) | 11.46 | |
| Outside Diameter (mm) | 10.7 | |
| Face Width (mm) | 20 | |
| Min Bore (mm) | 4 | |
| Max Bore (mm) | 6 | |
| Weight | 0.02 kg | |
| Dimensions | 2.6 × 2.6 × 1.5 cm | Overall envelope |
| Bore Tolerance | H7 | Precision transition fit |
| Material | Steel / Friction disc | Standard construction |
| Certification | ISO 9001:2015 | Quality assured |
12-3M-15 HTD Pilot Bore Timing Pulley
The 12-3M-15 HTD Timing Pulley brings reliable zero-slip tracking properties to low-mass drivetrain sub-sections. Guiding 15mm wide timing belts along an accurate 3mm curvilinear track, it eliminates positive drive tooth slip during sudden mechanical reversals. The plain unmachined pilot bore center design allows machine shops to easily ream, step-bore, or cut custom internal constraints.
Product Features & Specifications
- Tooth Configuration: 12 synchronous precision-machined HTD teeth.
- Pitch & Belt Width: 3mm high-torque pitch profile dimensioned for 15mm wide timing belts.
- Bore Adaptability: Stock unmachined core with a minimal guide hole to support fast lathe adjustments.
- Premium Material Properties: Crafted from structural Aluminum UNI 9006 – T6 (Al) for weight optimization.
- 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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