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80090 Type 190-ALN HSS 135Â degree Split Point NAS 907B TiAIN Coated Jobber Length Drill Bit (6 pack) 0.3125

Description

abrasion resistant Nylon material

Size 31- 0

3/16"Bore= #4-40 setscrew

Manual Override Non-Locking (100 Series i

300 Series stainless steel housing

80090 Type 190-ALN HSS 135Â degree Split Point NAS 907B TiAIN Coated Jobber Length Drill Bit (6 pack) 0.3125" OD abrasion resistant Nylon materialHeavy duty construction for drilling in tougher materials Manufactured from premium high speed steel 135 split point is self centering for reducing thrust and easier penetration Provides exceptional oxidation resistance and extreme hardness TiCN is harder and has a lower coefficient of friction then TiN coating. Recommended where moderate temperatures are generated. Manufactured to NAS 907B aerospace specification Titanium aluminum nitride (TiAIN)

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