FILLISTER 8-40 SIGHT SCREW COUNTERBORE Reviews & Ratings

Overall 2½' (6.3mm); Body Dia. .250' (6.3mm); Pilot Dia. .165' (4.2mm); Pilot Length 1⁄8' (3.2mm); 90° Shoulder. Use Drill No. 19 for Pilot Hole.

View Product

Write a review

4 Stars

3 Stars

2 Stars

1 Stars

Sort by Filter by rating

Sharp and straight

Converted a mauser 98 base and action to 8-40. worked like a charm.