Hymnorq 1/4 Inch Twist Drill Bit Set of 10pcs, Hex Shank for Quick Release, 135 Degree Self-Centering Split Point, M35 Cobalt Steel for Aluminum Alloy Iron Stainless Steel, Packed in Storage Case

★★★★★ 4.1 35 reviews

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Product details

Management number 223635731 Release Date 2026/05/09 List Price $8.00 Model Number 223635731
Category
  • M35 COBALT - M35 grade cobalt steel(M2 high-speed steel blended with 5% cobalt) construction for superior capability and durability. The cutting edge is hardened and honed for sharpness, chatter-free design with staggered cutting teeth ensures the precise countersinking and hole smooth clean.
  • QUICK RELEASE - Standard 1/4" hex shank can lock into quick-change chucks of impact drills and electric screwdrivers easily and securely, improving your work efficiency magnificently.
  • CREATIVE SHANK JOINT - A new patented method is applied to join the drill bit and the 1/4" hex shank, offering much better centering and drilling accuracy than most competitor's products.
  • TWIST FLUTE AND SPLIT POINT - Classic 2-flute twist form helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process. The 135°quick-cut pilot split points are self-centering and can penetrate quickly with less pressure.
  • 5PC SET IN ORGANIZED HOLDER - The set includes 5pcs of 1/4" drill bits, well packed in a plastic holder for easy storage and organizing. Suitable for drilling holes in metals(hardness less than HRC38°) such as stainless steel 304/201 and cast iron, although they can be used for softer materials like copper and aluminum, too.
ASIN B097N1G6MC
Set Name 10pcs Set
Brand Name HYMNORQ
Shank Type Hex
Unit Count 5 Count
Part Number hex-shank-cobalt-1/4
Finish Types Bronze
Manufacturer Hymnorq
Material Type Cobalt Steel
Tool Flute Type Spiral
Cutting Diameter 0.25 Inches
Number of Flutes 2
Cutting Angle String 135 Degrees
Warranty Description Manufacturer warranty for 90 days from date of purchase.
Surface Recommendation Stainless Steel

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