GRENPRO Four Spiral Flute Cobalt Step Drill Bit,1/4"-1-1/8"Impact Unibit Pro Max Step Bit Set,1/4" Hex Shank M35 for Metal Carbon Steel, Stainless Steel, Wood, Plastic

★★★★★ 4.4 74 reviews

US$17.20
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US$17.20
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Product details

Management number 224637707 Release Date 2026/05/09 List Price US$17.20 Model Number 224637707
Category
  • M35 HSS COBALT STEP DRILL - GrenPRO drill bits Specially designed for Metal Sheet/Wood/Plastic/Aluminum/Copper
  • TiAlN COATING - Our step drill bit surface hardness enables 68% faster drilling efficiency and 450% longer lifespan than conventional drills
  • Size: Includes from 1/2" to 1-1/8". Popular Size 1/2", 7/8", 1-1/8" labeled, step drill bit for metal can make multiple holes of different diameters in materials such as stainless steel, aluminum, wood, plastic sheets, etc
  • UNIVERSAL 1/4" HEX SHANK - Secure grip for lithium-ion drills/hand drills/bench drills with anti-slip laser etching(1/4"=6.35 mm)
  • WARRANTY - Contact GRENPRO for instant replacement with no questions asked

ASIN B0CR41T4RW
Model 071125AM
Brand Name GRENPRO
Shank Type Hex
Unit Count 1.0 Count
Part Number 071125
Finish Types Titanium, Titanium Aluminum Nitride
Manufacturer GRENPRO
Material Type Cobalt
Tool Flute Type Spiral
Cutting Diameter 1.13 Inches
Number of Flutes 4
Number of Pieces 4
Included Components box
Surface Recommendation Stainless Steel, Aluminum, Wood, Plastic

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