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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
Cell: 18616927959
West Jinshajiang Rd 1555, Shanghai, China
