
(Continued) SPEED FEED CARBIDE WD1 30˚ P313 5D, Coolant-Through
| Diameter | Flute | Overall | Shank | |
| EDP | Length | Length | Diameter |
Number Fractional
| Size | Wire Gage | Letter Size | mm | d L FL Inch | |
| HP255-2638 | - | - | - | 6.70 | 0.2638 |
| HP255-2657 | 17/64 | - | - | 6.75 | 0.2657 |
| HP255-2677 | - | - | - | 6.80 | 0.2677 |
| HP255-2717 | - | - | I | 6.90 | 0.2717 |
| HP255-2756 | - | - | - | 7.00 | 0.2756 |
| HP255-2795 | - | - | - | 7.10 | 0.2795 |
| HP255-2811 | 9/32 | - | - | 7.14 | 0.2811 |
| HP255-2835 | - | - | - | 7.20 | 0.2835 |
| HP255-2874 | - | - | - | 7.30 | 8 91 53 0.2874 |
| HP255-2913 | - | - | - | 7.40 | 0.2913 |
| HP255-2953 | - | - | - | 7.50 | 0.2953 |
| HP255-2969 | 19/64 | - | - | 7.54 | 0.2969 |
| HP255-2992 | - | - | - | 7.60 | 0.2992 |
| HP255-3031 | - | - | - | 7.70 | 0.3031 |
| HP255-3071 | - | - | - | 7.80 | 0.3071 |
| HP255-3110 | - | - | - | 7.90 | 0.3110 |
| HP255-3126 | 5/16 | - | - | 7.94 | 0.3126 |
| HP255-3150 | - | - | - | 8.00 | 0.3150 |
| HP255-3189 | - | - | - | 8.10 | 0.3189 |
| HP255-3228 | - | - | P | 8.20 | 0.3228 |
| HP255-3268 | - | - | - | 8.30 | 0.3268 |
| HP255-3280 | 21/64 | - | - | 8.33 | 0.3280 |
| HP255-3307 | - | - | - | 8.40 | 0.3307 |
| HP255-3319 | - | - | Q | 8.43 | 0.3319 |
| HP255-3346 | - | - | - | 8.50 | 0.3346 |
| HP255-3386 | - | - | - | 8.60 | 0.3386 |
| HP255-3425 | - | - | - | 8.70 | 0.3425 |
| HP255-3437 | 11/32 | - | - | 8.73 | 0.3437 |
| HP255-3465 | - | - | - | 8.80 | 0.3465 |
| HP255-3504 | - | - | - | 8.90 | 0.3504 |
| HP255-3543 | - | - | - | 9.00 | 0.3543 |
| HP255-3583 | - | - | - | 9.10 | 10 103 61 0.3583 |
| HP255-3594 | 23/64 | - | - | 9.13 | 0.3594 |
| HP255-3622 | - | - | - | 9.20 | 0.3622 |
| HP255-3642 | - | - | - | 9.25 | 0.3642 |
| HP255-3661 | - | - | - | 9.30 | 0.3661 |
| HP255-3701 | - | - | - | 9.40 | 0.3701 |
| HP255-3740 | - | - | - | 9.50 | 0.3740 |
| HP255-3748 | 3/8 | - | - | 9.52 | 0.3748 |
| HP255-3780 | - | - | - | 9.60 | 0.3780 |
| HP255-3819 | - | - | - | 9.70 | 0.3819 |
| HP255-3858 | - | - | W | 9.80 | 0.3858 |
| HP255-3898 | - | - | - | 9.90 | 0.3898 |
| HP255-3906 | 25/64 | - | - | 9.92 | 0.3906 |
| HP255-3937 | - | - | - | 10.00 | 0.3937 |
Packed: 1 pc. Available WD1 coating only.
Work Material
P M K N S H
Carbon Steels Alloy Nickel
| Low | Med. | High | Steels | Die | Stainless Steels | Cast | Aluminum | Alloy Titanium | Hardened Steels | ||||||||
| List No. | Steels | Iron | |||||||||||||||
| 1010 | 1035 | 1065 | 4140 | 300 | 400 | 17-4 PH | 6061 | 6Al4V | ~35 | 35-45 | 45-50 | 50-70 | |||||
| 1018 | 1045 | 4340 | 7075 Casting Inconel | (30 HRC) | HRC | HRC | HRC | HRC |
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