For plug Taps 5/16″ or M8 and smaller. F is equal to the insert nominal length (Q) + ½ the nominal bolt diameter + 5 Pitch (allowing for tap chamfer, countersink and.
Jul 17, 2015 – M8 x 1.25 Helical Inserts (1xD, 1.5xD, 2xD), Drill Bit, STI Plug Tap. Helical Inserts are often known by the brand names Helicoil or Recoil.
TAP. Tap the hole using the Heli-Coil tap supplied in the kit. Check the size on the shank. Thread. Kit. Inserts. Tap. Installation. Insert. Insert. Drill*. Box. Size + Length. M8 x 1.25. 12.0. R1084-8. 12. 2087-8. 3747-8. C. 21/64. M10 x 1.5. 15.0.
Heli-Coil drilling data – inch. INCH – DRILLED HOLE DIMENSIONS. Suggested Drill Size. Nominal. Thread size. Aluminum. Steel,Magnesium,Plastic. UNIFIED.
SCREW THREAD INSERT (STI) TAP DRILL CHART. NOMINAL. THREAD SIZE. M7, M8. 2. 2 23/32. 1 1/8. 3/8 .318 .238 .323 .395. 3/8. M10. 2. 2 15/16. 1 1/4.
Today Heli-Coil delivers a vast array of high quality inserts and installation tools designed to meet. Metric Coarse M2 through M39 » Metric Fine M8 through M39. Drill 2. Countersink 3. Tap 4. Gage. 1. Drilling. The suggested drill sizes listed.
Jun 13, 2010 – The drill size is etched on the heli-coil tap itself. If someone hasn’t answered by the time I go out to my trunk, I’ll look for you. This chart says 8.3.
Heli-Coil wire inserts are manufactured with over 60 years of experience. We are dedicated to. Metric Fine M8 through M39. Inserts are also. 2. Countersink. 3. Tap. 4. Gage. 1. Drilling.