Silverline Metric HSS R Jobber Drill Bits 4mm Pack of 10 380649

Silverline Metric HSS R Jobber Drill Bits - 4mm Pack of 10

MPM 380649

Barcode 5060012961749

General purpose 4mm HSS-R jobber drill bits, designed for drilling steel, aluminium, non-ferrous metals, plastics and wood.

Ensure you use a cooling agent and a drill bit at slow speed for best results in hard metals.

Benefits from a dry rust resistant coating for extended durability. 

Specification and Main Points

• Size - 4.0mm
• Quantity - Pack of 10
• Material - HSS-R roll forged 4341 high speed steel
• Manufactured to DIN338
• Finish - Black oxide, dry rust resistant coating 
  
• Hardened - Yes 
• Point angle - 118 Degree 
• Point style - Split point 
• Flute - Standard helix, right hand spiral 

All Sizes Available 

Silverline Tools - Manufacturers Guarantee 

This Silverline HSS-R Jobber Drill Bit 4mm is guaranteed for a period of 30 days from date of purchase against a fault developing in either the materials or the workmanship during manufacture. You can register for your Lifetime guarantee by registering your product online. Any faulty goods will be repaired or replaced free of charge

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