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Drill Bit Accessories - Free UK Delivery Over £25 - Buy Online | Zoro

This range of aircraft extension-length drills with straight shanks are manufactured from cobalt based HSS-E with a bronze oxide surface finish for hardy wear resistance. The design features a 135° heavy duty split point angle for a stronger chisel that guarantees an accurate centered drill as well as a long-lasting essential in your tool box. 

Features and Benefits 
• Standard Spiral Flute Design for general purpose drilling 
• Right Hand Rotation
• Bronze oxide surface treatment for increased wear resistance and hardness 
• High Speed Cobalt Steel material providing strength when drilling

Typical Applications 
• Designed to drill in steel, stainless steel, cast iron and super-alloy without pecking

Standards 
• NAS907 Type J

HSS-Co No 7 X 6" Extension Cobalt Drill

HSS-Co 7/32" X 6" Extension Cobalt Drill

HSS-Co No 16 X 6" Extension Cobalt Drill

HSS-Co No 19 X 6" Extension Cobalt Drill

HSS-Co 5/32" X 6" Extension Cobalt Drill

HSS-Co No 27 X 6" Extension Cobalt Drill

HSS-Co No 13 X 6" Extension Cobalt Drill

HSS-Co No 11 X 6" Extension Cobalt Drill

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