6Pcs Drill Tap Combination Bit Set HSS Deburr Countersink Bit 1/4 Hex Shank Tool Kit

Specifications: Name: Hex Shank Combination Drill and Tap Bit Material: High speed steel SAE Size: SAE Size:6-32NC (3.5mm), 8-32NC( 4.2mm), 10-32NC( 5mm), 10-24NC ( 5mm), 12-24NC( 5.7mm), 1/4-20NC( 6.35mm) Shank Dia: 6.35mm 1/4 Hex Shank Features: - Combination Drill and Tap Bit. - SAE Combination Drill/Tap Bit Set. - SAE Drill/Tap/Deburr Bit Set For Aluminum,&Plastic. - Use for hole punching,tapping,chamfering. -Hole drilling, tapping and deburring/countersinking. -Back tapered beyond tap to prevent thread damage from over-drilling. -Deburr/countersink also provided on bit beyond back taper. - Suitable for soft metal tapping, such as aluminum plate, thickness of less than 3--4mm. Note: -At the trepanning,please wear good protective measures,in case of wood chips splash damage eyes. -Size for manual measurement, there may be a 0 to 5 mm error, belongs to the normal phenomenon. -The item is sharp enough,please get away from children. -Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!! Package Included: 6x Drill Tap Countersink Set

• High hardness, rustproof, solid and durable high-speed steel in Quick-change 1/4"(6.35mm) Hex Shank, SAE Size: 6-32NC (3.5mm), 8-32NC(4.2mm), 10-32NC(5mm), 10-24NC (5mm), 12-24NC(5.7mm), 1/4-20NC(6.35mm).
• Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency.
• High-speed steel, high quality with good durability for you to use. Back tapered beyond tap to prevent thread damage from over-drilling.
• Suitable for wood, plank, plastic, aluminium plate or sheet iron (thickness of less than 3mm).