Helicoil Extraction Tool

Heli-Coil Tang Break-Off Tools

The driving tangs of Heli-Coil inserts must be removed to eliminate their interference with the end of the assembled bolt. Heli-Coil tang break-off tools are available for use with inserts through 1/2 inch and 12mm metric nominal diameter. Their operation is automatic, having a spring loaded, easily triggered punch that strikes a sharp, uniform blow against the tang of the installed insert. The tool can be operated with one hand.

Nominal Thread Size Tool Paart No. Replacement Punch Part No. UNIFIED COARSE THREAD (UNC) 1 (.073)-64 2 (.086)-56 3 (.099)-48 4 (.112)-40 5 (.125)-40 6 (.138)-32 8 (.164)-32 10 (.190)-24 12 (.216)-24 1/4(.2500)-20 5/16(.3125)-18 3/8(.3750)-16 7/16(.4375)-14 1/2(.5000)-13 3695-01 3695-02 3695-02 3695-04 3695-04 3695-06 3695-2 3695-3 3695-3 3695-4 3695-5 3695-6 3695-7 3695-8 3697-01 3697-02 3697-02 3697-04 3697-04 3697-06 3697-2 3697-3 3697-3 3697-4 3697-5 3697-6 3697-7 3697-8 UNIFIED FINE THREAD (UNF) 2 (.086)-64 3 (.099)-56 4 (.112)-48 6 (.138)-40 8 (.164)-36 10 (.190)-32 1/4(.2500)-28 5/16(.3125)-24 3/8(.3750)-24 7/16(.4375)-20 1/2(.5000)-20 3695-02 3695-02 3695-04 3695-06 3695-2 3695-3 3695-4 3692-5 3692-6 3692-7 3692-8 3697-02 3697-02 3697-04 3697-06 3697-2 3697-3 3697-4 3645-5 3645-6 3645-7 3645-8 Nominal Thread Size Tool Paart No. Replacement Punch Part No. METRIC COARSE M2x0.4 M2.2x0 45 M2.5x0.45 M3x0.5 M3.5x0.6 M4x0.7 M5x0.8 M6x1 M7x1 M8x1.25 M10x1.25 M12x1.75 4238-2 4238-2.2 4238-2.2 4238-3 4238-3 4238-4 4238-5 4238-6 4238-7 4238-8 4238-10 4238-12 3697-01 3697-02 3697-02 3697-04 3697-04 3697-2 3697-3 3697-4 4436-7 3643-5 4436-10 4436-12 METRIC FINE M8x1 M10x1 M10x1.25 M12x1.25 M12x1.5 4238-8 4238-10 4238-10 4238-12 4238-12 3643-5 4436-10 4436-10 4436-12 4436-12

Heli-Coil Extracting Tools

Occasionally Heli-Coil inserts must be removed. Inserts may be removed manually with little effort. This is done by inserting the blade of the extracting tool into the Heli- Coil insert so that the V section of the blade is toward the top end of the insert. Strike the head of the tool with a light blow. Maintaining a steady pressure of blade against insert, turn the extracting tool counterclockwise until the insert is removed.

Nominal Thread Size Extracting Tool Part No. Inch Metric 1 2 3 thru 8 10 thru 3/8" 7/16" thru 1" 1-1/8" thru 1-1/2" M2 M2.2 M2.5 thru M4 M5 thru M10 M11 thru M24 M27 thru M39 1227-01 1227-02 1227-06 1227-6 1227-16 1227-24

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