14x86mm F/L x 184mm OAL 2MT T/S Armour Piercing Drill hand-tools-hammers 1/4 x 50 Pieces Serrated

1/4 x 50 Pieces Serrated Hex Flange Nuts Zinc Plated

Overall length 2-9/16"

1/2"-20 Threads per inch

Brightness (Low) 15 lumens

Chuck: 10mm keyless Drilling Capacity: 10mm No-Load Speed: 1

14x86mm F/L x 184mm OAL 2MT T/S Armour Piercing Drill hand-tools-hammers 1/4 x 50 Pieces SerratedUsed for heavy duty drilling in work Hardening steel with a manganese content of 12 14 percent . 1 Mosre taper Overall length 184mm Flute length 86mm Operating Conditions cutting speed between 3 4 meters per minute a feed of only 60 percent of standard drill Very rigid machine set up drilled without coolant Precautions drill must not touch work without feed being engaged no marking of work surface ie centre punch