6Pcs 1838 Inch HSS Combination Drill Tap Bit Set 14 Inch Shank Deburr Countersink Bits

Description: Complete Hole Drilling, Tapping And Deburring/Countersinking In One Operation With Drill?– Saves Labor, Time. Applicable to some types of carbon steel and ordinary steel, copper and aluminum magnesium alloy drilling hole. ? Specifications:
Type: Tap Drill Bit Material: High Speed Steel Shank: 1/4" (6.35mm) shank
DIY Supplies: Metalworking
Weight: 80G

Size: 1/8" (3.175mm), 5/32" (3.97mm), ?3/16" (4.76mm), 1/4" (6.35mm), 5/16" (7.94mm), 3/8" (9.53mm)

Size Bit Diameter(mm) Shank Diameter(mm) Shank Length(mm) Length(mm)? Total Length(mm) 1/8" (3.175mm) 3.175 6.35 39 27 66 5/32" (3.97mm) 3.97 6.35 39 28 67 3/16" (4.76mm) 4.76 6.35 36 32 68 1/4" (6.35mm) 6.35 6.35 34 35 69 5/16" (7.94mm) 7.94 6.35 32 38 70 3/8" (9.53mm) 9.53 6.35 40 39 79
Features: Suitable for metal tapping, such as aluminum plate, 3-4mm thickness. The advantage is opening, tapping, chamfering.
? Quantity: 6pcs?Tap Drill Bits
? Package Included: 1x Set (6pcs) Shank Tap Drill Bits











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