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HSS Extra Length Taper Shank Drills - Inch
1 morse taper, general purpose drills for steels, cast steel, grey cast iron, malleable cast iron, nickel brass, aluminium, alloy and graphite. Point angle 118, helix angle: normal, web thickness: standard, relief angle 8 - 20, tolerance of diameter: h8. Made to BS328 : 1 1986.
| Drill Diameter | 5/16in |
| Taper Shank Size | MT1 |
| Flute Type | Spiral |
| Overall Length | 380mm |
| Point Angle | 118\u00b0 |
| Standards Met | BS328-1 1986 |
| Cutting Direction | Right Hand |
| Flute Length | 340mm |
| Drill Diameter Tolerance | H8 |
| Finish/Coating | Black Oxide |
| Helix Type | Normal Helix |
| Drill Length Type | Extra Length |
| Material | HSS |
| Coolant Delivery | External |
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