Drill bit sizes
Drill bit sizes not only vary in diameter but in length also. Furthermore there are a number of different scales used for measuring the diameter. They include Metric, Imperial, Wire No./Letter and Decimal.
Drill bit size chart
If you need to see how drill bits sizes compare in the different measurement scales we have a link to a Drill bit size chart / drill bit comparison chart
Drill bit tap size chart
If you need to know which drill bit to use for a tap follow link to Drill bit tap size chart
TTP HARD drills are available in both metric and imperial sizes. See below :
- Our drill bit sizes available in both metric and imperial
- Our drill bit dimensions (overall drill bit length, flute length, diameter and angle point) for each drill bit size in metric and imperial
1.TTP HARD drill bit sizes
Metric sizes
Metric drill bit sets
19 piece drill bit set (1mm to 10mm x 0.5mm)
25 piece drill bit set (1mm to 13mm x 0.5mm)
Imperial Sizes
Imperial drill bit sets
21 piece drill bit set (1/16″ to 3/8″ x 1/64″)
29 piece drill bit set (1/16″ to 1/2″ x 1/64″)
Imperial packs of 10 drill bits
1/16″, 5/64″, 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, 11/64″, 3/16″, 13/64″, 7/32″, 15/64″, 1/4″
Imperial single drill bits
17/64″, 9/32″, 19/64″, 5/16″, 21/64″, 11/32″, 23/64″, 3/8″, 25/64″, 13/32″, 27/64″, 7/16″, 29/64″, 15/32″, 31/64″, 1/2″
2. TTP HARD drill bit dimensions
metric / imperial
