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HSS center drill
specification
HSS center drill
High speed steel combined drills and countersinks are used for producing center holes in components or workpieces which require maching between centers
Center drill is availabel in plain, bell, and radius type
Form A (Form B center drill is available)
| DIA(mm) | Overall Length(mm) | D2(mm) | DIA(inch) | Overall Length(inch) | D2(inch) |
| 1.6 | 35.5 | 4 | #0 | 1-1/4" | 1/8" |
| 2 | 40 | 5 | #1 | 1-1/4" | 1/8" |
| 2.5 | 45 | 6.3 | #2 | 1-7/8" | 3/16" |
| 3.15 | 50 | 8 | #3 | 2" | 1/4" |
| 4 | 56 | 10 | #4 | 2-1/8" | 5/16" |
| 5 | 63 | 12.5 | #4-1/2 | 2-1/2" | 3/8" |
| 6.3 | 71 | 16 | #5 | 2-3/4" | 7/16" |
| 8 | 80 | 20 | #6 | 3" | 1/2" |
| 10 | 100 | 25 | #7 | 3-1/4" | 5/8" |
| #8 | 3-1/2" | 3/4" |
xiexianfei@widetoptools.com
Shanghai Office:0086-21-6911 3081 Hangzhou factory: 0571 - 87242328
0086-137 7106 1662
Shanghai Office: Rm.202 No.33 Building,1555 West Jinshajiang Road, Shanghai, China
