IS Counterbore/Countersink
Freer Tool & Supply’s IS counterbore and countersink collection supports clean, accurate hole finishing and proper fastener seating in machining, fabrication, and assembly work. Counterbores create flat-bottom recesses for socket head and cap screws, while countersinks add the chamfer needed for flat head screws and smoother hole entrances—helping improve fit, alignment, and overall assembly quality.
Keo AV4253509 5 Pc. M35 M42 Countersink & Deburring Tool Set
SKU: FTS-AV4253509
MPN: 919-000-200
Keo AV4253510 3/32 to 9/32 Dia Range 0 FL Pilotless Countersink
SKU: FTS-AV4253510
MPN: 919-000-202
Keo AV4253511 9/64 to 11/32 Dia Range 0 FL Pilotless Countersink
SKU: FTS-AV4253511
MPN: 919-000-204
Keo AV4253512 5/32 to 29/64 Dia Range 0 FL Pilotless Countersink
SKU: FTS-AV4253512
MPN: 919-000-206
Keo AV4253514 13/64 to 45/64 Dia Range 0 FL Pilotless Countersink
SKU: FTS-AV4253514
MPN: 919-000-210
Keo AV4253515 19/64 to 59/64 Dia Range 0 FL Pilotless Countersink
SKU: FTS-AV4253515
MPN: 919-000-212
Keo AV4253516 23/64 to 1-3/32 Dia Range 0 FL Pilotless Countersink
SKU: FTS-AV4253516
MPN: 919-000-214
Keo AV4253518 4 Pc. M35 M42 Countersink & Deburring Tool Set
SKU: FTS-AV4253518
MPN: 919-000-216
Keo AV4253519 5 Pc. M35 M42 Countersink & Deburring Tool Set
SKU: FTS-AV4253519
MPN: 919-000-217
Keo AV4253520 3/32 to 9/32 Dia Range 0 FL Pilotless Countersink
SKU: FTS-AV4253520
MPN: 919-000-219
Keo AV4253521 9/64 to 11/32 Dia Range 0 FL Pilotless Countersink
SKU: FTS-AV4253521
MPN: 919-000-221
Keo AV4253522 5/32 to 29/64 Dia Range 0 FL Pilotless Countersink
SKU: FTS-AV4253522
MPN: 919-000-223
Keo AV4253523 11/64 to 37/64 Dia Range 0 FL Pilotless Countersink
SKU: FTS-AV4253523
MPN: 919-000-225
Keo AV4253524 13/64 to 45/64 Dia Range 0 FL Pilotless Countersink
SKU: FTS-AV4253524
MPN: 919-000-227
Keo AV4253525 19/64 to 59/64 Dia Range 0 FL Pilotless Countersink
SKU: FTS-AV4253525
MPN: 919-000-229
Keo AV4253526 23/64 to 1-3/32 Dia Range 0 FL Pilotless Countersink
SKU: FTS-AV4253526
MPN: 919-000-231
Keo AV4253528 4 Pc. M35 M42 Countersink & Deburring Tool Set
SKU: FTS-AV4253528
MPN: 919-000-233
Keo AV4253529 5 Pc. M35 M42 Countersink & Deburring Tool Set
SKU: FTS-AV4253529
MPN: 919-000-234
Keo AV4253580 5/8 Size-3/8 Shank-100° Single Flute Countersink
SKU: FTS-AV4253580
MPN: 919-000-253
Keo AV4253586 5/8 Size-3/8 Shank-60° Single Flute Countersink
SKU: FTS-AV4253586
MPN: 919-000-259
Keo AV4253588 5/8 Size-3/8 Shank-82° Single Flute Countersink
SKU: FTS-AV4253588
MPN: 919-000-261
Keo AV4253589 5/8 Size-3/8 Shank-90° Single Flute Countersink
SKU: FTS-AV4253589
MPN: 919-000-263
Keo AV4255200 #4 Screw Size-3 OAL-M35-Straight Shank Capscrew Counterbore
SKU: FTS-AV4255200
MPN: 902-000-001
Keo AV4255201 #4 Screw Size-3 OAL-M35-Straight Shank Capscrew Counterbore
SKU: FTS-AV4255201
MPN: 902-000-002