Brownells Weaver 8-40 Sight Screw Counterbore
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$35.49
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Brownells Weaver 8-40 Sight Screw Counterbore, Overall 2 1/2" (6.3mm); Body Dia. .250" (6.3mm); Pilot Dia. .165" (4.2mm); Pilot Length 1/8" (3.2mm); 45deg Shoulder. Use Drill No. 19 for Pilot Hole. Mfg: Brownells