Easy Tang Removal.
The KATO Tang Break-Off Tool (KTBT), as the name implies is a spring-loaded punch designed to cleanly break the tang from conventional CoilThread inserts once they have been installed. KATO recommends that the tang be removed from the insert after installation. The standard KTBT tool is designed to break off tangs on inserts up to 2 diameter in length. A longer punch is needed for 2.5 & 3 diameter nominal length inserts.
The KATO Tang Break-off Tool is an important tool when installing tanged inserts. Some unwisely undervalue this tool. The advantages offered by the KTBT should not be ignored. If the tang is not properly removed, the hole may be compromised and will not allow the male fastener to pass through. The best way to remove the tang is through a sharp strong force directed away from the installed insert.
See part number section.
For fast and accurate part numbers and technical information on specific inserts try out the KATO Product Wizard.
Example of a KATO Tang Break Off Tool part number:
KTBT - 02
1 2 3 4
1 Tool Type |
2 Size Designation |
3 Replacement Parts |
4 Length Designation |
---|---|---|---|
KTBT - KATO Tang Break-Off Tool | See Chart Below | RP - Replacement Punch | Leave Blank - for nominal thread sizes 1D, 1.5D, & 2D -30 - Replacement Punch for 2.5D & 3D Nominal Lengths (Add -30 at the end of the 2D Replacement Punch part number) |
Thread Size |
Tang Break-Off Tool (1, 1.5 & 2 Dia.) |
Replacement Punch (1, 1.5 & 2 Dia.) |
Tang Break-Off Tool (2.5 & 3 Dia.) |
Replacement Punch (2.5 & 3 Dia.) |
---|---|---|---|---|
Unified Coarse | ||||
2-56 | KTBT-02 | KTBT-02RP | KTBT-02-30 | KTBT-02RP-30 |
3-48 | KTBT-03 | KTBT-03RP | KTBT-03-30 | KTBT-03RP-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-03 | KTBT-03RP | KTBT-03-30 | KTBT-03RP-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-03 | KTBT-03RP | KTBT-03-30 | KTBT-03RP-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 |
Please Note:
All dimensions for unified sizes in inches | All dimensions are are for reference only.
Thread Size |
Length A |
Diameter B |
Diameter C |
Weight lbs. |
---|---|---|---|---|
Unified Coarse | ||||
2-56 | 5.44 | 0.06 | 0.38 | 0.15 |
3-48 | 5.44 | 0.06 | 0.38 | 0.15 |
4-40 | 5.50 | 0.08 | 0.38 | 0.15 |
5-40 | 5.50 | 0.08 | 0.38 | 0.15 |
6-32 | 5.56 | 0.09 | 0.38 | 0.15 |
8-32 | 5.63 | 0.11 | 0.38 | 0.15 |
10-24 | 5.75 | 0.13 | 0.38 | 0.15 |
12-24 | 5.75 | 0.13 | 0.38 | 0.15 |
1/4-20 | 5.81 | 0.15 | 0.38 | 0.15 |
5/16-18 | 5.81 | 0.12 | 0.47 | 0.23 |
3/8-16 | 5.94 | 0.19 | 0.47 | 0.24 |
7/16-14 | 7.22 | 0.23 | 0.56 | 0.40 |
1/2-13 | 7.34 | 0.29 | 0.56 | 0.42 |
Unified Fine | ||||
3-56 | 5.44 | 0.06 | 0.38 | 0.15 |
4-48 | 5.50 | 0.08 | 0.38 | 0.15 |
6-40 | 5.56 | 0.09 | 0.38 | 0.15 |
8-36 | 5.63 | 0.11 | 0.38 | 0.15 |
10-32 | 5.75 | 0.13 | 0.38 | 0.15 |
1/4-28 | 5.81 | 0.15 | 0.38 | 0.15 |
5/16-24 | 5.81 | 0.12 | 0.47 | 0.23 |
3/8-24 | 5.81 | 0.19 | 0.47 | 0.24 |
7/16-20 | 5.22 | 0.23 | 0.56 | 0.40 |
1/2-20 | 5.34 | 0.29 | 0.56 | 0.42 |
Thread Size |
Length A |
Diameter B |
Diameter C |
Weight lbs. |
---|---|---|---|---|
Metric Coarse | ||||
M2X.4 | 5.44 | 0.06 | 0.38 | 0.15 |
M2.2X.45 | 5.44 | 0.06 | 0.38 | 0.15 |
M2.5X.45 | 5.44 | 0.06 | 0.38 | 0.15 |
M3X.5 | 5.50 | 0.08 | 0.38 | 0.15 |
M3.5X.6 | 5.56 | 0.09 | 0.38 | 0.15 |
M4X.7 | 5.63 | 0.11 | 0.38 | 0.15 |
M5X.8 | 5.75 | 0.13 | 0.38 | 0.15 |
M6X1 | 5.81 | 0.15 | 0.38 | 0.15 |
M7X1 | 5.81 | 0.15 | 0.38 | 0.15 |
M8X1.25 | 5.81 | 0.12 | 0.47 | 0.23 |
M10X1.5 | 5.94 | 0.19 | 0.47 | 0.24 |
M12X1.75 | 7.34 | 0.29 | 0.56 | 0.42 |
Metric Fine | ||||
M8X1 | 5.81 | 0.12 | 0.47 | 0.23 |
M10X1 | 5.94 | 0.19 | 0.47 | 0.24 |
M10X1.25 | 5.94 | 0.19 | 0.47 | 0.24 |
M12X1.25 | 7.34 | 0.29 | 0.56 | 0.42 |
M12X1.5 | 7.34 | 0.29 | 0.56 | 0.42 |
KATO Part Number |
Superseded Part Number |
Helicoil Part Number |
KATO Replacement Punch |
Superseded Replacement Punch |
Helicoil Replacement Punch |
---|---|---|---|---|---|
Unified Coarse | |||||
KTBT-02 | CAB-02 | 3695-02 | KTBT-02RP | CAB-02RP | 3697-02 |
KTBT-04 | CAB-04 | 3695-04 | KTBT-04RP | CAB-04RP | 3697-04 |
KTBT-06 | CAB-06 | 3695-06 | KTBT-06RP | CAB-06RP | 3697-06 |
KTBT-2 | CAB-2 | 3695-2 | KTBT-2RP | CAB-2RP | 3697-2 |
KTBT-3 | CAB-3 | 3695-3 | KTBT-3RP | CAB-3RP | 3697-3 |
KTBT-4 | CAB-4 | 3695-4 | KTBT-4RP | CAB-4RP | 3697-4 |
KTBT-5 | CAB-5 | 3695-5 | KTBT-5RP | CAB-5RP | 3643-5 |
KTBT-6 | CAB-6 | 3695-6 | KTBT-6RP | CAB-6RP | 3643-6 |
KTBT-7 | CAB-7 | 3695-7 | KTBT-7RP | CAB-7RP | 3643-7 |
KTBT-8 | CAB-8 | 3695-8 | KTBT-8RP | CAB-8RP | 4433-8 |
Unified Fine | |||||
KTBT-02 | CAB-02 | 3695-02 | KTBT-02RP | CAB-02RP | 3697-02 |
KTBT-04 | CAB-04 | 3695-04 | KTBT-04RP | CAB-04RP | 3697-04 |
KTBT-06 | CAB-06 | 3695-06 | KTBT-06RP | CAB-06RP | 3697-06 |
KTBT-2 | CAB-2 | 3695-2 | KTBT-2RP | CAB-2RP | 3697-2 |
KTBT-3 | CAB-3 | 3695-3 | KTBT-3RP | CAB-3RP | 3697-3 |
KTBT-4 | CAB-4 | 3695-4 | KTBT-4RP | CAB-4RP | 3697-4 |
KTBT-5 | CAB-5 | 3692-5 | KTBT-5RP | CAB-5RP | 3645-5 |
KTBT-6 | CAB-6 | 3692-6 | KTBT-6RP | CAB-6RP | 3645-6 |
KTBT-7 | CAB-7 | 3692-7 | KTBT-7RP | CAB-7RP | 3645-7 |
KTBT-8 | CAB-8 | 3692-8 | KTBT-8RP | CAB-8RP | 3645-8 |
Metric Coarse | |||||
KTBT-02 | CAB-02 | 4238-2.2 | KTBT-02RP | CAB-02RP | 3697-02 |
KTBT-04 | CAB-04 | 4238-3 | KTBT-04RP | CAB-04RP | 3697-04 |
KTBT-06 | CAB-06 | 4238-3 | KTBT-06RP | CAB-06RP | 3697-04 |
KTBT-2 | CAB-2 | 4238-4 | KTBT-2RP | CAB-2RP | 3697-2 |
KTBT-3 | CAB-3 | 4238-5 | KTBT-3RP | CAB-3RP | 3697-3 |
KTBT-4 | CAB-4 | 4238-6 | KTBT-4RP | CAB-4RP | 3697-4 |
KTBT-4 | CAB-4 | 4238-7 | KTBT-4RP | CAB-4RP | 4436-7 |
KTBT-5 | CAB-6 | 4238-8 | KTBT-5RP | CAB-5RP | 3643-5 |
KTBT-6 | CAB-7 | 4238-10 | KTBT-6RP | CAB-6RP | 4436-10 |
KTBT-8 | CAB-8 | 4238-12 | KTBT-8RP | CAB-8RP | 4436-12 |
Metric Fine | |||||
KTBT-5 | CAB-5 | 4238-8 | KTBT-5RP | CAB-5RP | 3643-5 |
KTBT-6 | CAB-6 | 4238-10 | KTBT-6RP | CAB-6RP | 4436-10 |
KTBT-6 | CAB-6 | 4238-10 | KTBT-6RP | CAB-6RP | 4436-10 |
KTBT-8 | CAB-6 | 4238-12 | KTBT-8RP | CAB-8RP | 4436-12 |
KTBT-8 | CAB-8 | 4238-12 | KTBT-8RP | CAB-8RP | 4436-12 |