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Rolled forged brad point wood working drill bit black finish with polished edge
specification
Rolled forged brad point wood working drill bit black finish with polished edge
Right hand cutting drill bit
Drill bit is made against strict standard for consistent quality assurance
Five star center point of the brad point drill bit is for easy positioning and efforless drilling, equally importatn, these drill bits are extremely accurate in diameter
Double flutes give the brad point drill bit superior chip clearance, and the sharply defined lips have a slight negative angle on the lip tips to score the hole for clean entry and smooth sidewalls
Round shank ensures the drill bit fits all standard chucks.
DIA(mm) | Overall Length(mm) | Flute Length(mm) | DIA(inch) | Overall Length(inch) | Flute Length(inch) |
3 | 61 | 32 | 1/8 | 2-23/64 | 1-5/16 |
4 | 75 | 45 | 5/32 | 2-61/64 | 1-13/16 |
5 | 87 | 50 | 3/16 | 3-11/32 | 2 |
6 | 92 | 55 | 1/4 | 3-17/32 | 2-3/16 |
7 | 109 | 75 | 9/32 | 4-3/8 | 3 |
8 | 117 | 75 | 5/16 | 4-1/2 | 3 |
9 | 125 | 80 | 11/32 | 5 | 3-3/8 |
10 | 133 | 85 | 3/8 | 5-1/4 | 3-9/16 |
11 | 142 | 95 | 7/16 | 5-5/8 | 3-15/16 |
12 | 150 | 95 | 15/32 | 6 | 3-15/16 |
13 | 150 | 95 | 1/2 | 6 | 3-15/16 |
14 | 150 | 100 | 9/16 | 6 | 4 |
15 | 160 | 105 | 19/32 | 6-3/8 | 4-3/16 |
16 | 160 | 105 | 5/8 | 6-3/8 | 4-3/16 |