Helix Direction
Number of Starts
We are closed from Monday, Dec 23rd and will reopen on Monday, Jan 6th. Any orders received during this time will be processed in the New Year.
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Get it by Wednesday, Jan 1
£19.99 Flat Shipping + VAT £19.99 flat shipping is applicable on orders with an aggregate weight less than 10kg. Orders exceeding 10kg will be charged default shipping rates
Payment Methods
Delivery Partners
Step 1 Add the items into your cart or submit a Purchase order
Step 2 Checkout, select NET30 payment (provide company registration and VAT number)
Step 3 Delivery via TNT or Royal Mail and receive invoice for payment in 30-days
Step 4 Make payment via BACS to our factoring partner,
| Bore Dia. | 15 mm |
| Bore Dia. Tolerance | -0.2 mm to +0.2 mm |
| Bore Type | Plain |
| Face Width | 45 mm |
| Finish | Black Oxide |
| Helix Direction | Right Hand |
| Hub Dia. | 30 mm |
| Hub Projection | 18 mm |
| Material | Carbon Steel |
| Maximum Teeth Hardness | 194 Hb |
| Module Pitch | 2.5 |
| Number Of Starts | 1 |
| Outside Dia. | 42 mm |
| Overall Length | 63 mm |
| Pitch Dia. | 37 mm |
| Pressure Angle | 20° |
| Shape | W1 |
| System Of Measurement | Metric |
| Ship weight (kg) | 0.39 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
Trade pricing is available for 
Order Value should be £500+