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IS Countersinks & Deburring

Freer Tool & Supply’s IS countersinks and deburring tools help you produce clean edges, proper fastener seating, and a more professional finish across machining, fabrication, and assembly work. Countersinks create the chamfer needed for flat head screws and smooth hole entrances, while deburring tools remove sharp edges and burrs that can impact fit, safety, and downstream processes like coating or inspection.

Weldon BB40CS121 3/8" Pilot-3/8" Screw 0 FL Piloted Countersink

Weldon BB40CS121 3/8" Pilot-3/8" Screw 0 FL Piloted Countersink

SKU: FTS-BB40CS121
MPN: 98718-94-W

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Weldon BB40CS122 25/64" Pilot-3/8" Screw 0 FL Piloted Countersink

Weldon BB40CS122 25/64" Pilot-3/8" Screw 0 FL Piloted Countersink

SKU: FTS-BB40CS122
MPN: 98720-94-W

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Weldon BB40CS141 7/16" Pilot-7/16" Screw 0 FL Piloted Countersink

Weldon BB40CS141 7/16" Pilot-7/16" Screw 0 FL Piloted Countersink

SKU: FTS-BB40CS141
MPN: 98722-94-W

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Weldon BB40CS142 29/64" Pilot-7/16" Screw 0 FL Piloted Countersink

Weldon BB40CS142 29/64" Pilot-7/16" Screw 0 FL Piloted Countersink

SKU: FTS-BB40CS142
MPN: 98724-94-W

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Weldon BB40CS161 1/2 PILOT-1/2" SCREW "

Weldon BB40CS161 1/2 PILOT-1/2" SCREW "

SKU: FTS-BB40CS161
MPN: 98726-94-W

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Weldon BB40CS162 33/64" Pilot-1/2" Screw 0 FL Piloted Countersink

Weldon BB40CS162 33/64" Pilot-1/2" Screw 0 FL Piloted Countersink

SKU: FTS-BB40CS162
MPN: 98728-94-W

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Weldon BB40CS18 STYLE NO.1 PILOTLESS 82

Weldon BB40CS18 STYLE NO.1 PILOTLESS 82

SKU: FTS-BB40CS18
MPN: 98820-94-W

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Weldon BB40CS26 .307 to 25/32" Dia Range 0 FL Pilotless Countersink

Weldon BB40CS26 .307 to 25/32" Dia Range 0 FL Pilotless Countersink

SKU: FTS-BB40CS26
MPN: 98824–94-W

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Weldon BB40CS26A .307 to 25/32" Dia Range 0 FL Pilotless Countersink

Weldon BB40CS26A .307 to 25/32" Dia Range 0 FL Pilotless Countersink

SKU: FTS-BB40CS26A
MPN: 98822–94-W

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Weldon BB40CS36 .431 to 7/8" Dia Range 0 FL Pilotless Countersink

Weldon BB40CS36 .431 to 7/8" Dia Range 0 FL Pilotless Countersink

SKU: FTS-BB40CS36
MPN: 98826-94-W

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Weldon BB40CS3S STYLE NO.3 D/E 82 DEG

Weldon BB40CS3S STYLE NO.3 D/E 82 DEG

SKU: FTS-BB40CS3S
MPN: 98810-94-W

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Weldon BB40CS48 1/2 to 1-15/32" Dia Range 0 FL Pilotless Countersink

Weldon BB40CS48 1/2 to 1-15/32" Dia Range 0 FL Pilotless Countersink

SKU: FTS-BB40CS48
MPN: 98828–94-W

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Weldon BB40CS5S 4 or #5 Screw 0 FL Pilotless Countersink

Weldon BB40CS5S 4 or #5 Screw 0 FL Pilotless Countersink

SKU: FTS-BB40CS5S
MPN: 98812-94-W

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Weldon BB40CS6S #6 Screw-1/4" Shank-82°-0 FL Pilotless Countersink

Weldon BB40CS6S #6 Screw-1/4" Shank-82°-0 FL Pilotless Countersink

SKU: FTS-BB40CS6S
MPN: 98814-94-W

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Weldon BB40CS81 1/4" Pilot-1/4" Screw 0 FL Piloted Countersink

Weldon BB40CS81 1/4" Pilot-1/4" Screw 0 FL Piloted Countersink

SKU: FTS-BB40CS81
MPN: 98710-94-W

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Weldon BB40CS82 17/64 PILOT-1/4" SCREW "

Weldon BB40CS82 17/64 PILOT-1/4" SCREW "

SKU: FTS-BB40CS82
MPN: 98712-94-W

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Weldon BB40CS8S #8 Screw-1/4" Shank-82°-0 FL Pilotless Countersink

Weldon BB40CS8S #8 Screw-1/4" Shank-82°-0 FL Pilotless Countersink

SKU: FTS-BB40CS8S
MPN: 98816-94-W

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Weldon BB40CSA14 1/8 to 27/64" Dia Range 0 FL Pilotless Countersink

Weldon BB40CSA14 1/8 to 27/64" Dia Range 0 FL Pilotless Countersink

SKU: FTS-BB40CSA14
MPN: 98120-94-W

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Weldon BB40CSA18 3/16 to 35/64" Dia Range 0 FL Pilotless Countersink

Weldon BB40CSA18 3/16 to 35/64" Dia Range 0 FL Pilotless Countersink

SKU: FTS-BB40CSA18
MPN: 98130-94-W

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Weldon BB40CSA8 3/32 to 1/4" Dia Range 0 FL Pilotless Countersink

Weldon BB40CSA8 3/32 to 1/4" Dia Range 0 FL Pilotless Countersink

SKU: FTS-BB40CSA8
MPN: 98110-94-W

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Weldon BB40DB14 5/32 to 13/32" Dia Range 0 FL Pilotless Countersink

Weldon BB40DB14 5/32 to 13/32" Dia Range 0 FL Pilotless Countersink

SKU: FTS-BB40DB14
MPN: 98916-94-W

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Weldon BB40DB18 3/16 to 17/32" Dia Range 0 FL Pilotless Countersink

Weldon BB40DB18 3/16 to 17/32" Dia Range 0 FL Pilotless Countersink

SKU: FTS-BB40DB18
MPN: 98918–94-W

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Weldon BB40DB36 STYLE NO.3 PILOTLESS 90

Weldon BB40DB36 STYLE NO.3 PILOTLESS 90

SKU: FTS-BB40DB36
MPN: 98926-94-W

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Weldon BB40DB4 1/64 to 11/64" Dia Range 0 FL DECountersink

Weldon BB40DB4 1/64 to 11/64" Dia Range 0 FL DECountersink

SKU: FTS-BB40DB4
MPN: 98910-94-W

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