Precision Cap Screw Counterbores
M35 Cobalt-3 Flute
- Integral pilot, stright shank, CNC precision ground cobalt HSS
- M35 cobalt: HSS, 6% tungsten, 5% moly, 5% cobalt for long tool life in all type of materials
- High performance cutting action due to secondary relief behind cutting edge margin
- Optimized helix for chip evacuation-chips flow away from cut without wrapping around tool
- Made in the USA
| Screw Size |
Assembly Criteria |
Pilot Dia. A |
C’bore Dia. B |
OAL C |
Shank Dia. D |
Part Number |
| #4 | CloseFit | 0.112 | 0.186 | 3 | 5/32 | KEO-55200 |
| #4 | 1/64"Clearance | 0.127 | 0.202 | 3 | 5/32 | KEO-55201 |
| #4 | 1/32"Clearance | 0.143 | 0.217 | 3 | 5/32 | KEO-55202 |
| #5 | CloseFit | 0.125 | 0.205 | 3 | 3/16 | KEO-55203 |
| #5 | 1/64"Clearance | 0.140 | 0.221 | 3 | 3/16 | KEO-55204 |
| #5 | 1/32"Clearance | 0.156 | 0.237 | 3 | 3/16 | KEO-55205 |
| #6 | CloseFit | 0.138 | 0.228 | 3 | 7/32 | KEO-55206 |
| #6 | 1/64"Clearance | 0.153 | 0.244 | 3 | 7/32 | KEO-55207 |
| #6 | 1/32"Clearance | 0.169 | 0.260 | 3 | 7/32 | KEO-55208 |
| #8 | CloseFit | 0.164 | 0.272 | 3 | 1/4 | KEO-55209 |
| #8 | 1/64"Clearance | 0.179 | 0.288 | 3 | 1/4 | KEO-55210 |
| #8 | 1/32"Clearance | 0.195 | 0.304 | 3 | 1/4 | KEO-55211 |
| #10 | CloseFit | 0.190 | 0.314 | 4.5 | 9/32 | KEO-55212 |
| #10 | 1/64"Clearance | 0.205 | 0.330 | 4.5 | 9/32 | KEO-55213 |
| #10 | 1/32"Clearance | 0.221 | 0.346 | 4.5 | 9/32 | KEO-55214 |
| 1/4 | CloseFit | 0.250 | 0.382 | 4.5 | 5/16 | KEO-55215 |
| 1/4 | 1/64"Clearance | 0.265 | 0.398 | 4.5 | 5/16 | KEO-55216 |
| 1/4 | 1/32"Clearance | 0.281 | 0.414 | 4.5 | 5/16 | KEO-55217 |
| 5/16 | CloseFit | 0.312 | 0.475 | 4.5 | 3/8 | KEO-55218 |
| 5/16 | 1/64"Clearance | 0.328 | 0.491 | 4.5 | 3/8 | KEO-55219 |
| 5/16 | 1/32"Clearance | 0.343 | 0.507 | 4.5 | 3/8 | KEO-55220 |
| 3/8 | CloseFit | 0.375 | 0.572 | 5 | 1/2 | KEO-55221 |
| 3/8 | 1/64"Clearance | 0.390 | 0.588 | 5 | 1/2 | KEO-55222 |
| 3/8 | 1/32"Clearance | 0.406 | 0.604 | 5 | 1/2 | KEO-55223 |
| 7/16 | CloseFit | 0.437 | 0.663 | 5 | 1/2 | KEO-55224 |
| 7/16 | 1/64"Clearance | 0.452 | 0.679 | 5 | 1/2 | KEO-55225 |
| 7/16 | 1/32"Clearance | 0.468 | 0.695 | 5 | 1/2 | KEO-55226 |
| 1/2 | CloseFit | 0.500 | 0.757 | 6 | 1/2 | KEO-55227 |
| 1/2 | 1/64"Clearance | 0.515 | 0.773 | 6 | 1/2 | KEO-55228 |
| 1/2 | 1/32"Clearance | 0.531 | 0.789 | 6 | 1/2 | KEO-55229 |
| 5/8 | CloseFit | 0.625 | 0.945 | 6 | 5/8 | KEO-55230 |
| 5/8 | 1/64"Clearance | 0.641 | 0.961 | 6 | 5/8 | KEO-55231 |
| 5/8 | 1/32"Clearance | 0.656 | 0.977 | 6 | 5/8 | KEO-55232 |
| 3/4 | CloseFit | 0.766 | 1.187 | 7 | 3/4 | KEO-55233 |
| 3/4 | 1/32"Clearance | 0.781 | 1.203 | 7 | 3/4 | KEO-55234 |
| 7/8 | CloseFit | 0.891 | 1.375 | 7 | 7/8 | KEO-55235 |
| 7/8 | 1/32"Clearance | 0.906 | 1.391 | 7 | 7/8 | KEO-55236 |
| 1 | CloseFit | 1.016 | 1.562 | 7 | 1 | KEO-55237 |
| 1 | 1/32"Clearance | 1.032 | 1.588 | 7 | 1 | KEO-55238 |
KOUNTERBORE SETS Prices are pulled from our database in real time. Press Add button to see product price.
| 7 Piece Set Contains: | Assembly Criteria |
Part Number |
| #6,#8,#10,1/4”,5/16”,3/8”, 1/2” Nominal | CloseFit | KEO-55239 |
| #6,#8,#10,1/4”,5/16”,3/8”, 1/2” +1/64” O/S | 1/64" Clearance | KEO-55240 |
| #6,#8,#10,1/4”,5/16”,3/8”, 1/2” +1/32” O/S | 1/32" Clearance | KEO-55241 |