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 Tuesday, Dec 31
£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,
| Aircraft Drill | No |
| Coolant Fed | Non Coolant Through |
| Cutting Direction | Right Hand |
| Decimal Equivalent | 0.4531 , 0.4531" |
| Depth X Dia. Ratio | 4Xd |
| Drill Bit Point Angle | 135° |
| Drill Bit Point Type | Split Point |
| Drill Bit Size | 0.453" |
| Drill Diameter Tolerance | -0.001" to 0" |
| Drill Length Class | Jobber Length |
| Drill Point Length | 0.094" |
| Finish | Tin |
| Flute Length | 4.188" |
| Flute Type | Spiral |
| Grade | Grade M35 |
| Helix Angle | 21° to 34° |
| Material | Cobalt |
| Max. Drilling Depth | 3 1/8" |
| Mfr. Series | 550ASP-TN |
| Number Of Flutes | 2 |
| Overall Length | 5 5/8" |
| Primary Material Application | Hi-Temp Alloy, Stainless Steel, Steel |
| Shank Dia. | 0.438" |
| Shank Length | 1.438" |
| Shank Type | Straight |
| Sheeter Drill | No |
| Spiral Direction | Right Hand |
| System Of Measurement | Fractional Inch |
| Ship weight (kg) | 0.08 |
| Ship height (cm) | 3.81 |
| Ship length (cm) | 15 |
| Ship width (cm) | 2.54 |
| 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+