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Pilots for Counterbore
Used with counterbore for guiding counterbore when drilling recessed holes into scales for Corby Bolts, Gulso Bolts, screws etc.
Pilot Head size should match diameter of hole drilled through tang(1/8"-1/4"). Shank size should match counterbore pilot hole size(i.e. 3/32" or 5/32")
Material- high speed steel
Counterbore must be purchased separately.
3/16" uses Counterbore #CB1 with Pilot #PIL1
1/4" uses Counterbore #CB2 with Pilot #PIL2
5/16" uses Counterbore #CB3 with Pilot #PIL3
1/4" uses Counterbore #CB2 with Pilot #PIL5
5/16" uses Counterbore #CB3 with Pilot #PIL2
3/8" uses Counterbore #CB4 with Pilot #PIL4
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