40x152mm F/L x 298mm OAL 4MT T/S Armour Piercing Drill Set M16x90 ZP Metric 400 pc Flat Washer

Metric 400 pc Flat Washer pack

A vertical slot must be cut first

therefore this part is finished with higher hardness to improve anti-wear

3/4 15pcs QUALITY ASSURED all BOLTS and SET SCREWS have Head stamps with grade and manufacturers marking DELIVERED FREIGHT FREE NEW ZEALAND WIDE

• Fits all 18mm Cutters

40x152mm F/L x 298mm OAL 4MT T/S Armour Piercing Drill Set M16x90 ZP Metric 400 pc Flat WasherUsed for heavy duty drilling in work Hardening steel with a manganese content of 12 14 percent . 4 Morse taper Overall length 298mm Flute length 152mm 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