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  • FILLISTER 8-40 SIGHT SCREW COUNTERBORE

FILLISTER 8-40 SIGHT SCREW COUNTERBORE

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High-Speed; For Popular Sight Screws; Made To Our Exact Spec For Most Sight Base Screws

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.

Catalog page 383

Fillister 8-40 Counterbore
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