Description
Material:Allyed case hardenedsteel,black-finished and precisely grinded
Hardness: HRC 56-58
Carbon depth: 0.8mm±0.2mm
Surface Roughness: Ra<0.005mm
Shank body standard: ANSIB5.50
| ModelNo. | D | L | Weight(kg) |
| R8-FMA1″ | 25.4 | 40 | 0.9 |
| R8-FMA3/4″ | 19.05 | 40 | 0.8 |
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