China HSS Center Drill Type R, Find details about China HSS Center Drill Bits Type R, High Speed Steel Center Drill Bits from HSS Center Drill Type R
| STC036-1, INCH SIZE COMBINED DRILLS & COUNTERSINKS ( CENTER DRILL ) | ||||||
| ANSI / ASME B94.11 M-1993 | ||||||
| PLAIN TYPE, 60° Angle, Ground | ||||||
| Size | Body Diameter | Drill Diameter | Overall Length | |||
| Pict | ||||||
| 0 | 1/8" | 1/32" | 1-1/8" | |||
| 1 | 1/8" | 3/64" | 1-1/4" | |||
| 2 | 3/16" | 5/64" | 1-7/8" | |||
| 3 | 1/4" | 7/64" | 2" | |||
| 4 | 5/16" | 1/8" | 2-1/8" | |||
| 4-1/2 | 3/8" | 9/64" | 2-1/2" | |||
| 5 | 7/16" | 3/16" | 2-3/4" | |||
| 6 | 1/2" | 7/32" | 3" | |||
| 7 | 5/8" | 1/4" | 3-1/4" | |||
| 8 | 3/4" | 5/16" | 3-1/2" | |||
| 9 | 7/8" | 11/32" | 3-5/8" | |||
| 10 | 1" | 3/8" | 3-3/4" | |||
| BELL TYPE, 60° / 120° Angle, Milled / Ground | ||||||
| Pict | Size | Body Diameter | Drill Diameter | Overall Length | ||
| 11 | 1/8" | 3/64" | 1-1/4" | |||
| 12 | 3/16" | 1/16" | 1-7/8" | |||
| 13 | 1/4" | 3/32" | 2" | |||
| 14 | 5/16" | 7/64" | 2-1/8" | |||
| 15 | 7/16" | 5/32" | 2-3/4" | |||
| 16 | 1/2" | 3/16" | 3" | |||
| 17 | 5/8" | 7/32" | 3-1/4" | |||
| 18 | 3/4" | 1/4" | 3-1/2" | |||
| 19 | 7/8" | 5/16" | 3-5/8" | |||
| 20 | 1" | 3/8" | 3-3/4" | |||
| STC037, INCH SIZE COMBINED DRILLS & COUNTERSINKS, Long Series | ||||||
| PLAIN TYPE. | Size | Body Diameter | Drill Diameter | Overall Length | ||
| 60° Angle | ||||||
| 1A | 1/8" | 3/64" | 3" | |||
| 1B | 1/8" | 3/64" | 4" | |||
| Pict | 1C | 1/8" | 3/64" | 5" | ||
| 1D | 1/8" | 3/64" | 6" | |||
| 2A | 3/16" | 5/64" | 3" | |||
| 2B | 3/16" | 5/64" | 4" | |||
| 2C | 3/16" | 5/64" | 5" | |||
| 2D | 3/16" | 5/64" | 6" | |||
| 3A | 1/4" | 7/64" | 3" | |||
| 3B | 1/4" | 7/64" | 4" | |||
| 3C | 1/4" | 7/64" | 5" | |||
| 3D | 1/4" | 7/64" | 6" | |||
| 4A | 5/16" | 1/8" | 3" | |||
| 4B | 5/16" | 1/8" | 4" | |||
| 4C | 5/16" | 1/8" | 5" | |||
| 4D | 5/16" | 1/8" | 6" | |||
| 5B | 7/16" | 3/16" | 4" | |||
| 5C | 7/16" | 3/16" | 5" | |||
| 5D | 7/16" | 3/16" | 6" | |||
| 6B | 1/2" | 7/32" | 4" | |||
| 6C | 1/2" | 7/32" | 5" | |||
| 6D | 1/2" | 7/32" | 6" | |||
| 7 | 5/8" | 1/4" | 6" | |||
| 8 | 3/4" | 5/16" | 6" | |||