Home

Part Numbers

For fast and accurate part numbers and technical information on specific inserts try out the KATO Product Wizard.

Example of a KATO CoilThread tool part number:

Example

Tool Style1 Size Designation2 Replacement Parts3 Length Designation4
KTBT - KATO Tang Break-off Tool Chart Below RP - Replacement Punch Leave Blank for nominal thread sizes 1, 1/2 and 2 Dia.
-30 - Replacement Punch for 2-1/2 & 3 Dia. Nominal Lengths (Add -30 at the end of the 2 Dia Replacement Punch part number)

Tanged-Break Off Tool (KTBT)

Thread
Size
Tang Break-Off Tool
(1, 1.5, & 2 Dia.)
Replacement Punch
(1, 1.5, & 2 Dia.)
Tanged Break-Off Tool
(2.5 & 3 Dia.)
Replacement Punch
(2.5 & 3 Dia.)
Unified Coase
 2-56 KTBT-02 KTBT-02RP KTBT-02-30 KTBT-02RP-30
3-48 KTBT-02 KTBT-02RP KTBT-02-30 KTBT-02RP-30
4-40 KTBT-04 KTBT-04RP KTBT-04-30 KTBT-04RP-30
5-40 KTBT-04 KTBT-04RP KTBT-04-30 KTBT-04RP-30
6-32 KTBT-06 KTBT-06RP KTBT-06-30 KTBT-06RP-30
8-32 KTBT-2 KTBT-2RP KTBT-2-30 KTBT-2RP-30
10-24 KTBT-3 KTBT-3RP KTBT-3-30 KTBT-3RP-30
12-24 KTBT-3 KTBT-3RP KTBT-3-30 KTBT-3RP-30
1/4-20 KTBT-4 KTBT-4RP KTBT-4-30 KTBT-4RP-30
5/16-18 KTBT-5 KTBT-5RP KTBT-5-30 KTBT-5RP-30
3/8-16 KTBT-6 KTBT-6RP KTBT-6-30 KTBT-6RP-30
7/16-14 KTBT-7 KTBT-7RP KTBT-7-30 KTBT-7RP-30
1/2-13 KTBT-8 KTBT-8RP KTBT-8-30 KTBT-8RP-30
Unified Fine
 3-56 KTBT-02 KTBT-02RP KTBT-02-30 KTBT-02RP-30
4-48 KTBT-04 KTBT-04RP KTBT-04-30 KTBT-04RP-30
6-40 KTBT-06 KTBT-06RP KTBT-06-30 KTBT-06RP-30
8-36 KTBT-2 KTBT-2RP KTBT-2-30 KTBT-2RP-30
10-32 KTBT-3 KTBT-3RP KTBT-3-30 KTBT-3RP-30
1/4-28 KTBT-4 KTBT-4RP KTBT-4-30 KTBT-4RP-30
5/16-24 KTBT-5 KTBT-5RP KTBT-5-30 KTBT-5RP-30
3/8-24 KTBT-6 KTBT-6RP KTBT-6-30 KTBT-6RP-30
7/16-20 KTBT-7 KTBT-7RP KTBT-7-30 KTBT-7RP-30
1/2-20 KTBT-8 KTBT-8RP KTBT-8-30 KTBT-8RP-30
Metric Coarse
M2X.4 KTBT-02 KTBT-02RP KTBT-02-30 KTBT-02RP-30
M2.2X.45 KTBT-02 KTBT-02RP KTBT-02-30 KTBT-02RP-30
M2.5X.45 KTBT-02 KTBT-02RP KTBT-02-30 KTBT-02RP-30
M3X.5 KTBT-04 KTBT-04RP KTBT-04-30 KTBT-04RP-30
M3.5X.6 KTBT-06 KTBT-06RP KTBT-06-30 KTBT-06RP-30
M4X.7 KTBT-2 KTBT-2RP KTBT-2-30 KTBT-2RP-30
M5X.8 KTBT-3 KTBT-3RP KTBT-3-30 KTBT-3RP-30
M6X1 KTBT-4 KTBT-4RP KTBT-4-30 KTBT-4RP-30
M7X1 KTBT-4 KTBT-4RP KTBT-4-30 KTBT-4RP-30
M8X1.25 KTBT-5 KTBT-5RP KTBT-5-30 KTBT-5RP-30
M10X1.5 KTBT-6 KTBT-6RP KTBT-6-30 KTBT-6RP-30
M12X1.75 KTBT-8 KTBT-8RP KTBT-8-30 KTBT-8RP-30
Metric Fine
M8X1 KTBT-5 KTBT-5RP KTBT-5-30 KTBT-5RP-30
M10X1 KTBT-6 KTBT-6RP KTBT-6-30 KTBT-6RP-30
M10X1.25 KTBT-6 KTBT-6RP KTBT-6-30 KTBT-6RP-30
M12X1.25 KTBT-8 KTBT-8RP KTBT-8-30 KTBT-8RP-30
M12X1.5 KTBT-8 KTBT-8RP KTBT-8-30 KTBT-8RP-30

Notes

  1. For sizes larger than 1/2" and M12 use long-nosed plier; bend tang up and down to snap off at notch.