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HSS Reduced Shank Twist Drill Bit size start from 13mm to 30mm for big hole drilling
Material:HSS 4341
Coating:Black&Gold
Cutting Angle:118 Degree.
Reduced Shank Type
Application:Drilling on Soft Metal such as,Aluminum,Steel Sheet,Iron.
| Code | Diameter | Flute Length | Overall Length |
| BMRRD13.5 | 13.5 | 108 | 160 |
| BMRRD140 | 14.0 | 108 | 160 |
| BMRRD14.5 | 14.5 | 114 | 169 |
| BMRRD150 | 15.0 | 114 | 169 |
| BMRRD15.5 | 15.5 | 120 | 178 |
| BMRRD160 | 16.0 | 120 | 178 |
| BMRRD16.5 | 16.5 | 125 | 184 |
| BMRRD170 | 17.0 | 125 | 184 |
| BMRRD17.5 | 17.5 | 130 | 191 |
| BMRRD180 | 18.0 | 130 | 191 |
| BMRRD18.5 | 18.5 | 135 | 198 |
| BMRRD190 | 19.0 | 135 | 198 |
| BMRRD19.5 | 19.5 | 140 | 205 |
| BMRRD200 | 20.0 | 140 | 205 |
| BMRRD210 | 21.0 | 145 | 205 |
| BMRRD220 | 22.0 | 150 | 210 |
| BMRRD230 | 23.0 | 155 | 215 |
| BMRRD240 | 24.0 | 160 | 220 |
| BMRRD250 | 25.0 | 160 | 220 |
| BMRRD260 | 26.0 | 165 | 235 |
| BMRRD270 | 27.0 | 170 | 235 |
| BMRRD280 | 28.0 | 170 | 235 |
| BMRRD290 | 29.0 | 175 | 240 |
| BMRRD300 | 30.0 | 175 | 240 |
HSS Reduced Shank Twist Drill Bit size start from 13mm to 30mm for big hole drilling
Material:HSS 4341
Coating:Black&Gold
Cutting Angle:118 Degree.
Reduced Shank Type
Application:Drilling on Soft Metal such as,Aluminum,Steel Sheet,Iron.
| Code | Diameter | Flute Length | Overall Length |
| BMRRD13.5 | 13.5 | 108 | 160 |
| BMRRD140 | 14.0 | 108 | 160 |
| BMRRD14.5 | 14.5 | 114 | 169 |
| BMRRD150 | 15.0 | 114 | 169 |
| BMRRD15.5 | 15.5 | 120 | 178 |
| BMRRD160 | 16.0 | 120 | 178 |
| BMRRD16.5 | 16.5 | 125 | 184 |
| BMRRD170 | 17.0 | 125 | 184 |
| BMRRD17.5 | 17.5 | 130 | 191 |
| BMRRD180 | 18.0 | 130 | 191 |
| BMRRD18.5 | 18.5 | 135 | 198 |
| BMRRD190 | 19.0 | 135 | 198 |
| BMRRD19.5 | 19.5 | 140 | 205 |
| BMRRD200 | 20.0 | 140 | 205 |
| BMRRD210 | 21.0 | 145 | 205 |
| BMRRD220 | 22.0 | 150 | 210 |
| BMRRD230 | 23.0 | 155 | 215 |
| BMRRD240 | 24.0 | 160 | 220 |
| BMRRD250 | 25.0 | 160 | 220 |
| BMRRD260 | 26.0 | 165 | 235 |
| BMRRD270 | 27.0 | 170 | 235 |
| BMRRD280 | 28.0 | 170 | 235 |
| BMRRD290 | 29.0 | 175 | 240 |
| BMRRD300 | 30.0 | 175 | 240 |
