3.1 Handle Type (Pistol, Straight, Angle, Angle Head)
3.2 Forward or Reversible
3.3 Horsepower and Strength
3.4 Free Speed
3.5 Collet type [Key Chuck, Keyless Chuck, Threaded
Shank, Collet Chuck(Elastic chuck)]
KEMP Tools -Bespoke Industrial Tools
KEMP Tools drill size chart provides a list of standard size drill bits and speed for make decisions.
Pre-drilling to keep high efficiency suggestion. Drilling size more than 6mm(1/4") on Stainless Steel, Forged Seel,
Titanium Alloy. Drilling size more than 8mm(5/16") on Malleable Cast iron, Low Carbon Steel, Soft Cast Iron, Plastic.