Insize Metric 60° & Whitworth 55° Screw Pitch Gauge 0.4-7mm/4-62TPI Range Series 4820-450 7111-500A Suitable for grooves Somta Series 175 - HSS Reduced Shank (Electricians) Drill 17.5mm 1 2 flute length 4833-3
Yard notes & kiln story
Description
Insize Metric 60° & Whitworth 55° Screw Pitch Gauge 0.4 7mm 4 62TPI Range Series 4820 450 7111 500A Suitable for grooves Somta Series 175 HSS Reduced Shank (Electricians) Drill 17.5mm 1 2 flute length 4833 3 Suitable for grooves this HSS E countersink delivers clean and accurate results in steel