4mm 2Pcs/Set 2Flutes Solid Carbide Coated Spiral Spotting Drill Bit Drilling Holemaking Threading Chamfering for Hardened Steels (90°, 4mm Drill Dia-12mm Lg.of FL-4mm SHK-50mmOAL)

★★★★★ 4.5 102 reviews

US$10.00
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US$10.00
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Free shipping Free 30-day returns

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Product details

Management number 250360949 Release Date 2026/09/17 List Price US$10.00 Model Number 250360949
Category
  • Offers Fast-Driiling / Milling / Holemaking / Centering /Threading / Chamfering outstanding performance and high temperature resistance in a wide range of high hardened steels,Alloy steels,Carbon steels,Stainless Steels,Tool Steels,Free Machining Steels,Medium/low Alloy Steels,Cast Iron,Mould Steel and more.
  • Durability and Heat Dissipation:solid carbide tungsten steel material, capable of withstanding high-intensity cutting,coating offers added lubricity and high temperature resistance.2 flutes variable pitch design for reduced harmonics and increased feed rates.long tool life and heat resistance in ferrous materials, including Alloy Steels, Stainless Steels, Nickel Alloys, and other high hardness materials up to 55Hrc
  • Precision design and manufacturing:Highly engineered point design provides better positioning and stability for high performance drilling applications;drill tolerance:-0.01mm(-.0004 inch),h6 shank tolerance for high precision tool holders.quality control tests before leaving the factory.
  • Drill Size:4mm Drill Dia.-12mm Flute Length-4mm Shank Dia.-50mm Overall Length/Point Angle:90°
  • Package:2pc/set,Multiple sizes and hardness to choose from,catering to different work requirements
UPC 756783771858
ASIN B0D7J17KQX
Brand Name WKSTOOL
Shank Type Straight
Part Number SDC2F55
Finish Types Titanium Nitride
Manufacturer WOKESI
Material Type Tungsten Carbide
Tool Flute Type Spiral
Cutting Diameter 4 millimeters
Number of Flutes 2
Included Components Pack
Cutting Angle String 90 degrees
Surface Recommendation Alloy Steel

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102 ratings | 42 reviews
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