Metric/ Imperial HSS Hex Shank Drill Bit Set

  • High-Quality High-Speed Steel: Crafted from standard high-speed steel, offering excellent cutting performance, superior toughness, and outstanding durability.

  • International Standards: Manufactured with precision in compliance with DIN specifications, ensuring fast cutting speeds and tight tolerances.

  • Standard Quick-Change Hex Shank: Features a 6.35mm specification for high versatility, enabling quick and easy installation, removal, and tool switching.

  • Wide Applications: Ideal for drilling stainless steel, sheet metal, aluminum, wood, and plastics.

 
編號 / ITEM NO規格 / SPEC刃長 / Flute Length (mm)總長 / Overall Length (mm)單支淨重 / Weight (KG)
MA3-16202.024700.0086
MA3-16303.033820.0102
MA3-16323.236860.0102
MA3-16404.043960.0126
MA3-16424.243960.0128
MA3-16454.5471010.0138
MA3-16505.0521070.0158
MA3-16656.5631220.0218
7.0mm以上規格,六角頭一體成型,單溝槽六角 / Specifications 7.0mm and above feature an integrated hex head and single flute design ↓
MA3-16808.0751170.0280
MA3-16959.5811250.0400
MA3-170010.0871330.0472
MA3-172012.01011510.0756
MA3-172712.71011510.0830
英制系列規格 / Inch Series Specifications ↓
MA3-18101/1620640.0094
MA3-18301/836860.0110
MA3-18405/3243960.0130
MA3-18503/16521070.0156
MA3-18701/4631220.0232
 

I. Specifications & Sizes

  • Metric Sizes: 2.0mm to 12.7mm (complete range of commonly used sizes).
  • Inch Sizes: 1/16" to 7/16" (including 1/16", 1/8", 5/32", 3/16", 1/4", 5/16", 3/8", 7/16", etc.).
  • Shank Design: Standard quick-change hex shank (6.35mm) for high versatility, enabling quick and easy installation, removal, and tool switching.

Professional Set Options

  • Metric Sets:
    • Metric 5-Piece Set: Includes 2.0, 3.0, 3.2, 4.0, 5.0 mm.
    • Metric 6-Piece Set: Includes 2.0, 3.0, 3.2, 4.0, 5.0, 6.5 mm.
  • Inch Sets:
    • Inch 5-Piece Set: Includes 1/16", 1/8", 5/32", 3/16", 1/4".

II. Material Description

  • Premium Material & Craftsmanship: Stanbal rainbow drill bits are crafted from standard High-Speed Steel (HSS), featuring a special multi-color surface finish that offers a distinctive look, easy identification, and good wear resistance.
  • Heat Resistance & Cutting Performance: The HSS material provides great cutting performance and toughness. Through precision heat treatment, it delivers reliable durability and maintains smooth cutting capability during routine drilling tasks.
  • International Standards: Manufactured with precision in compliance with DIN international standards to ensure cutting accuracy and stability.
  • High Cost-Performance Practical Choice: Developed for lightweight general machining, offering fast cutting speeds and tight tolerances as an economical and efficient practical tool.

III. Product Features

  • Application Range: Suitable for general thin iron sheets of around 2mm, thin plates, wood, and plastics (Note: This series is not suitable for aluminum).
  • High-Efficiency Cutting: Optimized for thin plate cutting, delivering fast speeds and minimal tolerances to effectively boost daily work efficiency.
  • Professional Endorsement: Backed by over 30 years of market presence, highly praised by professional hardware and tool stores.
  • Field-Tested: Search YouTube for "STANBAL 鑽尾測試" (STANBAL Drill Bit Test) to watch real-world operation.

IV. Operation & Maintenance Guide

【Proper Usage】

 

  • Material Compatibility: Designed specifically for general thin iron sheets (~2mm), thin sheets, wood, and plastics (Caution: Not suitable for aluminum). When drilling metal, appropriate water or cutting fluid cooling is recommended to extend tool life.
  • Tool Compatibility: Standard 6.35mm hex shank design, compatible with various quick-change chucks and power drills for fast and convenient assembly/disassembly.
  • Speed Control: Adjust drill speed lower for larger hole diameters. High-speed blind drilling is strictly prohibited to prevent overheating and bit damage.

【Routine Maintenance】

 

  • Cleaning & Protection: After use, clean out any residual metal chips and debris from the flute, wipe clean with a cloth to remove oil, sweat, or cutting fluid, and store in a dry environment.
  • Regular Oiling: If left unused for an extended period, apply a thin layer of rust-preventive or lubricating oil on the metal surface to preserve material performance.
  • Storage & Management: After single-piece use, it is recommended to store them properly in a moisture-proof tool box or dedicated drill rack to avoid edge damage from impacts.
 
公制規格 (mm)英制規格 (inch)不鏽鋼 / Stainless Steel (RPM)一般鐵板 / 碳鋼 / Steel & Iron (RPM)鋁合金 / 銅材 / Aluminum & Brass (RPM)木材 / 塑膠 / Wood & Plastics (RPM)
0.3 - 3.0 mm1/64" - 1/8"800 - 1,5001,200 - 2,5002,000 - 3,5003,000 - 5,000
3.1 - 6.0 mm9/64" - 15/64"350 - 700700 - 1,2001,000 - 1,8001,500 - 2,500
6.1 - 10.0 mm1/4" - 25/64"180 - 350350 - 700500 - 1,000800 - 1,500
10.1 - 13.0 mm13/32" - 1/2"100 - 250200 - 450350 - 650500 - 900
注意:若鑽頭不當使用,極易造成損壞 (Note: Improper use of drill bits can easily cause damage.)