TOOLS, BITS AND KEYS SIZES CHARTS

Twist Drills

• Straight Shank Jobbers Length Twist Drills Dimensions
• Straight Shank Screw Machine Length Twist Drills Dimensions
• Straight Shank Taper Length Twist Drills Dimensions
• Taper Shank Twist Drills Dimensions

Keys and Bits

• Allen (Hex) Key and Hex Bit Sizes
• Spline Key and Bit Sizes
• Hex Key Sizes Chart
• Hexagon Socket Screw Key Chart
• Metric Double-headed Open End Engineers' Spanners (Wrenches) Dimensions Chart