Search results
Results from the WOW.Com Content Network
BSW: Insert Size: Drill Size: Wire Thread Insert Length: 1D: 1.5D: 2D: 2.5D: 3D: 1/8-40 : 3.3 mm : 0.125 : 0.188 : 0.250 : 0.313 : 0.375 : 3/16-24 : 5.0 mm : 0.188 ...
Helicoil Drill Chart. Countersinking the drilled hole to prevent a feather edge at the start of the tapped hole. 3/4 - 1-1/2 pitch of insert "set down" to allow for maximum production tolerance. Dimensions are shown for both plug and bottoming taps. For plug Taps 5/16" or M8 and smaller.
Choose the correct drill bit size, such as a 5/16″ bit, to match the external thread size of a 3/8-16 Helicoil insert. Follow precise installation steps, including drilling, tapping, inserting the Helicoil, and using the tang break tool for a secure placement.
But if the helicoil repair is to be done in an alum part, such as an alum intake manifold, then i use a drill that is 1/64 smaller than the recommended drill size. AND I USE LOTS OF LIQUID FOR CUTTING, SUCH AS WD40, to prevent galling of the tap.
Heli-Coil drilling data - inch INCH - DRILLED HOLE DIMENSIONS Nominal Suggested Drill Size ... 3/8 (.3750)-16 .4156 .4189 .4203 .3885 .3987 .4602 .06250
Choose from our selection of 3/8"-16 helicoils, including stainless steel helical inserts, taps for helical inserts, and more. In stock and ready to ship.
UNC: Insert Size: Drill Size: Wire Thread Insert Length: 1D: 1.5D: 2D: 2.5D: 3D: 2-56 : 2.3 mm : 0.086 : 0.129 : 0.172 : 0.215 : 0.258 : 3-48 : 2.7 mm : 0.099 : 0.148 ...
Tap Chart Helicoil Threads - provides tap sizes and drill sizes for Helicoil threads.
The first choice of professional mechanics and engine rebuilders, Heli-Coil Wire Spark Plug Inserts are available for any engine. Kits are available in sizes M10, M12, M14, M18, and 7/8 . Each kit contains a piloted tap (no drilling necessary), an installation tool, and a quantity of inserts.
All sizes and information are for reference only. Check with the manufacturer of any hardware to verify any and all information