1. Home
  2. Shop All Products
  3. Drilling & Holemaking
  4. Center Drills (Combination Drill & Countersinks) & Spotting Drills
  5. Spotting Drills
  6. 5/16" H.S.S. Centre Drill Bit

5/16" H.S.S. Centre Drill Bit

116378
Brand: STM Premium
List Price $ 10.20
AvailabilityIn stock
• Brand: STM Premium
• Flute Length (Inch) : 1"
• Cutting Direction : Right Hand
• Download catalog page
  • Description

• Body Diameter (Inch): 5/16"
• Body Diameter (Decimal Inch): 0.3125
• Drill Point Angle (Degrees): 118
• Spotting Drill Material: High Speed Steel
• Spotting Drill Finish/Coating: Bright
• Overall Length (Inch): 1-1/2"
These drills are used for starting and centering screw machine operations. Their short flute and overall length increase rigidity while minimizing runout.