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IS Countersinks

Freer Tool & Supply’s IS countersinks collection helps you create clean chamfers and precise countersunk holes for flat head screws and finishing work. Countersinks are commonly used to deburr drilled holes, improve fastener seating, and produce a smooth, professional edge—reducing burr-related assembly issues and improving part appearance in machining and fabrication.

Severance BC5402995 7/8" Size-1/2" Shank-90° 6 Flute NCK Precision Countersink

Severance BC5402995 7/8" Size-1/2" Shank-90° 6 Flute NCK Precision Countersink

SKU: FTS-BC5402995
MPN: 2995

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Severance BC5402996 1" Size-1/2" Shank-90° 6 Flute NCK Precision Countersink

Severance BC5402996 1" Size-1/2" Shank-90° 6 Flute NCK Precision Countersink

SKU: FTS-BC5402996
MPN: 2996

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Severance BC5403120 1/4" Size-3/16" Shank-60° CBD 6 Flute NCK Precision Countersink

Severance BC5403120 1/4" Size-3/16" Shank-60° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403120
MPN: 3120

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Severance BC5403121 3/8" Size-1/4" Shank-60° CBD 6 Flute NCK Precision Countersink

Severance BC5403121 3/8" Size-1/4" Shank-60° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403121
MPN: 3121

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Severance BC5403122 1/2" Size-3/8" Shank-60° CBD 6 Flute NCK Precision Countersink

Severance BC5403122 1/2" Size-3/8" Shank-60° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403122
MPN: 3122

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Severance BC5403123 5/8" Size-3/8" Shank-60° CBD 6 Flute NCK Precision Countersink

Severance BC5403123 5/8" Size-3/8" Shank-60° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403123
MPN: 3123

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Severance BC5403124 3/4" Size-1/2" Shank-60° CBD 6 Flute NCK Precision Countersink

Severance BC5403124 3/4" Size-1/2" Shank-60° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403124
MPN: 3124

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Severance BC5403125 7/8" Size-1/2" Shank-60° CBD 6 Flute NCK Precision Countersink

Severance BC5403125 7/8" Size-1/2" Shank-60° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403125
MPN: 3125

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Severance BC5403126 1" Size-1/2" Shank-60° CBD 6 Flute NCK Precision Countersink

Severance BC5403126 1" Size-1/2" Shank-60° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403126
MPN: 3126

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Severance BC5403130 1/4 6FL 82DEG CRB CSINK

Severance BC5403130 1/4 6FL 82DEG CRB CSINK

SKU: FTS-BC5403130
MPN: 3130

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Severance BC5403131 3/8" Size-1/4" Shank-82° CBD 6 Flute NCK Precision Countersink

Severance BC5403131 3/8" Size-1/4" Shank-82° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403131
MPN: 3131

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Severance BC5403132 1/2 6FL 82DEG CRB CSINK

Severance BC5403132 1/2 6FL 82DEG CRB CSINK

SKU: FTS-BC5403132
MPN: 3132

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Severance BC5403133 5/8" Size-3/8" Shank-82° CBD 6 Flute NCK Precision Countersink

Severance BC5403133 5/8" Size-3/8" Shank-82° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403133
MPN: 3133

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Severance BC5403134 3/4" Size-1/2" Shank-82° CBD 6 Flute NCK Precision Countersink

Severance BC5403134 3/4" Size-1/2" Shank-82° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403134
MPN: 3134

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Severance BC5403135 7/8" Size-1/2" Shank-82° CBD 6 Flute NCK Precision Countersink

Severance BC5403135 7/8" Size-1/2" Shank-82° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403135
MPN: 3135

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Severance BC5403136 1" Size-1/2" Shank-82° CBD 6 Flute NCK Precision Countersink

Severance BC5403136 1" Size-1/2" Shank-82° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403136
MPN: 3136

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Severance BC5403140 1/4" Size-3/16" Shank-90° CBD 6 Flute NCK Precision Countersink

Severance BC5403140 1/4" Size-3/16" Shank-90° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403140
MPN: 3140

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Severance BC5403141 3/8" Size-1/4" Shank-90° CBD 6 Flute NCK Precision Countersink

Severance BC5403141 3/8" Size-1/4" Shank-90° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403141
MPN: 3141

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Severance BC5403142 1/2" Size-3/8" Shank-90° CBD 6 Flute NCK Precision Countersink

Severance BC5403142 1/2" Size-3/8" Shank-90° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403142
MPN: 3142

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Severance BC5403143 5/8" Size-3/8" Shank-90° CBD 6 Flute NCK Precision Countersink

Severance BC5403143 5/8" Size-3/8" Shank-90° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403143
MPN: 3143

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Severance BC5403144 3/4" Size-1/2" Shank-90° CBD 6 Flute NCK Precision Countersink

Severance BC5403144 3/4" Size-1/2" Shank-90° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403144
MPN: 3144

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Severance BC5403145 7/8" Size-1/2" Shank-90° CBD 6 Flute NCK Precision Countersink

Severance BC5403145 7/8" Size-1/2" Shank-90° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403145
MPN: 3145

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Severance BC5403146 1" Size-1/2" Shank-90° CBD 6 Flute NCK Precision Countersink

Severance BC5403146 1" Size-1/2" Shank-90° CBD 6 Flute NCK Precision Countersink

SKU: FTS-BC5403146
MPN: 3146

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