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Step Drill Bit Spiral Drill Auto Center Punch 4-Piece Set Spiral
Product Details
β Step Drill Bit Spiral Drill Auto Center Punch 4-Piece Set with Case E70
This is a 4-piece set consisting of 3 step drill bits and 1 auto center punch.
β Material: High-speed steel (HSS)
β Number of steps:
? Step drill bit 4-32mm, 15 steps
(4/6/8/10/12/14/16/18/20/22/24/26/28/30/32)
? Step drill bit 4-20mm, 9 steps
(4/6/8/10/12/14/16/18/20)
? Step drill bit 4-12mm, 5 steps
(4/6/8/10/12)
β Shank diameter: Hex shank 6.35mm (1/4 inch)
β Includes storage pouch
*This is an imported product.
There may be minor scratches.
No box or instruction manual included.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.


