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 Friday, Jan 3
£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,
| Item | Locking Insert |
| Drill Size | 21/64" |
| Free Coil Dia. | 0.39" |
| Insert Length | 0.469" |
| Material | 304 Stainless Steel |
| Package Quantity | 500 |
| Rockwell Hardness | C43-C50 |
| Tensile Strength | 200000 to 250000 PSI |
| Thread Direction | Right Hand |
| Thread Size | 5/16-24 |
| Thread Type | Screw Locking , UNF |
| Ship weight (kg) | 1.13 |
| Ship height (cm) | 1.78 |
| Ship length (cm) | 39.62 |
| Ship width (cm) | 39.62 |
| Country of Origin | US |
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+