80420 Type 190-ALN HSS 135Â degree Split Point NAS 907B TiAIN Coated Jobber Length Drill Bit (3 pack) Keyless Locking Devices Safety Relief Valves guard against

Safety Relief Valves guard against over pressure conditions in compressors and other pressure vessels

300 Series stainless steel housing

dimensions and accessories

and an attractive red EPDM rubber cover

No control equipment is required

80420 Type 190-ALN HSS 135Â degree Split Point NAS 907B TiAIN Coated Jobber Length Drill Bit (3 pack) Keyless Locking Devices Safety Relief Valves guard againstHeavy 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)