Description
30-8M50-6FS6 Powerhouse® HTD Timing Pulley, 3 Teeth, 8M Pitch
The 30-8M50-6FS6 is a 3-tooth 8 mm HTD® compatible timing pulley with a 1/2 in minimum plain bore, machined from steel with a black oxide finish, built for 5mm wide belts. Machined from solid stock, never sintered or powdered metal. Powerhouse® HTD pulleys fit drives using HTD® curvilinear belts of the same pitch and width.
Specifications

Dimension key for this construction type. Values for this part number are in the table below.
| Specification | Value |
|---|---|
| Part Number | 30-8M50-6FS6 |
| Teeth | 3 |
| Pitch | 8 mm HTD® compatible |
| For Belt Width | 5mm |
| Pitch Diameter | 3.0077 in |
| Outside Diameter | 2.9557 in |
| Bore | 1/2 in minimum plain bore |
| Flange Material | Steel |
| Material | Steel (no sintered or powdered metal) |
| Finish | Black Oxide |
| Weight | 2.6 lb |
| Country of Origin | United States. ISO 9001:2015 certified manufacturing. |
Applications
- HTD curvilinear belt drives on industrial equipment
- Conveyors, packaging, and warehouse automation
- Replacing worn pulleys on existing HTD drives
Belt Compatibility
The 30-8M50-6FS6 runs 8 mm HTD® compatible belts in 5mm width. The pitch is standardized, so belt and pulley brands can be mixed.
Cross Reference
The 30-8M50-6FS6 interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| Martin | P308M50-MPB |
| TB Woods® | P308M50 |
| Regal Rexnord (Browning®) | B308M50B |
| Jason Industrial | P308M50B |
| Masterdrive | P30-8M-50-PB |
| Ametric | 8M30X50 |
| Powerdrive | 30-8M50-6FS6 |
| Continental (ContiTech) | P30-8M-50X3/4 MPB SPROCKET |
Always verify dimensions and bore size before substituting part numbers across manufacturers.
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Multi-unit and OEM quantities qualify for volume discounts. Call or email for a quantity quote.
Frequently Asked Questions
What belts fit the 30-8M50-6FS6 pulley?
8 mm HTD® compatible timing belts in 5mm width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.
Does the 30-8M50-6FS6 replace the Martin P308M50-MPB?
Yes. Published interchange data crosses the 30-8M50-6FS6 directly to the Martin P308M50-MPB, as well as TB Woods P308M50, Regal Rexnord B308M50B, Jason Industrial P308M50B. Verify dimensions and bore before ordering.
Does the 30-8M50-6FS6 ship from Houston?
Yes. Stock items ship same day from our Houston, Texas warehouse. Call (888) 203-2358 to confirm availability.
Need a quote on 30-8M50-6FS6?
Houston warehouse, same-day shipping on stock items.
Call (888) 203-2358Powerhouse® is a registered trademark of its owner. HTD® is a registered trademark of Gates Corporation. All third-party part numbers and trademarks referenced are the property of their respective owners. References are for compatibility identification only and do not imply affiliation or endorsement.
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