3164HSJOHD, 31/64”, Jobber Drill, High Speed Steel, Heavy Duty, 135° Point NAS907 Type B Features:

• This Jobber drill is made from M-7 high speed steel.
• High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and non-ferrous materials.
• This Jobber drill is manufactured to Aerospace Standard 907
• Jobber length drills, commonly referred to as simply ‘Jobber Drills’, are the workhorse of the aviation industry.
• The spiral flutes of a Jobber drill are constructed with a higher flute angle to remove chips more easily.
• Quality is the key to producing satisfactory holes, and will determine production rates and tool durability.