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NACHI Metalworking Drill! SD 4.0 Straight Shank Drill 10-Piece Set
Product Details
NACHI Standard Drill Parallel Shank Twist Drill SD 4.0mm, 10 pieces per pack.
Product Information
● Quantity: 10 pieces
● Diameter (Dc): 4.0
● Groove Length (l): 54
● Overall Length (L): 83
● C/H: High Speed Steel
● Material: HSS
● S/T: S
● Tip Angle: 118
● This is the most widely used general-purpose drill.
● Suitable for general structural rolled steel, carbon steel, alloy steel, prehardened steel, cast iron, aluminum alloy, and copper alloy.
● Quantity: 10 pieces
● Diameter (Dc): 4.0
● Groove Length (l): 54
● Overall Length (L): 83
● C/H: High Speed Steel
● Material: HSS
● S/T: S
● Tip Angle: 118
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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.


