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Zzanggu Drill Tap Combination Bit Set(6Pcs) HSS 1/4" Hex Shank Deburr Countersink Screw Thread Imperial Tap Drill Bit(1/8"-3/8")
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About Zzanggu Drill Tap Combination Bit Set(6Pcs) HSS
Zzanggu Drill Tap Combination Bit Set(6Pcs) with 1/8"-3/8" 【Specifications】 ● Color: Silver ● Type: Tap Drill Bit ● Material: High Speed Steel (HSS 4341) ● Shank: 1/4" (6.35mm) hex shank ●Surface treatment:Titanium Coated ●Diameter: 1/8", 5/32", 3/16", 1/4", 5/16", 3/8" 【Features】 √Multi-use drill tap deburr countersink hex bit kit √Save processing steps and time costs, improve efficiency √Fast replacement composite cone, uses drill edged principle √Hole drilling, tapping and deburring/countersinking √Its a spiral groove, within the processing thread, cutting up to exclude, and was curled applied internally threaded through holes.You can also insert the screws in the hole where have been drilled 【Tips】 Caution: These tap bit is suggested to use it on the tapping machine.Pay attention to the operation method when using the hand drill. Excessive sloshing and tilting will affect tapping and even break the tap 【Package Included】 6 x 1/4" Hex Shank Tap Drill Bits
