What size drill bit do you use for a 6mm helicoil?
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| Metric | ||
|---|---|---|
| Insert Size | Drill Size | Screw Thread Insert Length |
| M4.5 x 0.75 | 4.70 | 6.75 |
| M5 x 0.8 | 5.20 | 7.50 |
| M6 x 1.0 | 6.20 | 9.00 |
What size hole do I drill for a 3/8 helicoil?
25/64
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| BSW | ||
|---|---|---|
| Insert Size | Drill Size | Wire Thread Insert Length |
| 1/4-20 | 6.7 mm | 0.750 |
| 5/16-18 | 21/64 | 0.938 |
| 3/8-16 | 25/64 | 1.125 |
What size drill bit do I need for a 1/4 20 helicoil?
Drill Size: 17/64″
What size Tap do I need for a M8 1.25 helicoil?
Tap Size: M8 x 1.25 STI. Drill Size: 21/64″
What size drill and tap for a 3/8 16 helicoil?
Tap Size: 3/8-16 STI. Drill Size: 25/64″
What size drill do you use for a 3/8 tap?
Contact us for more information….Tap and Drill Size Chart.
| THREADSIZE | DRILL DIAMETER Coarse Thread | TAP DRILLSIZE |
|---|---|---|
| 3/8-24 | .3320 | ‘Q’ |
| 7/16-20 | .3906 | 25/64 |
| 1/2-20 | .4531 | 29/64 |
| 9/16-18 | .5156 | 33/64 |
What size tap do I use for a helicoil?
Heli-Coil High Speed Steel Drills are supplied in Master Thread Repair Sets (inch and metric) and all Thread Repair Kits except Spark Plug. All drills fit 1/2 inch chucks. The taps supplied with kits and sets are referred to as STI or Screw Thread Insert taps. These taps must be used for Heli-Coil repairs.
What size drill bit is used for a 5/16 helicoil?
21/64″
Drill Size: 21/64″
How does helicoil stay in place?
The HeliCoil insert itself has special threads designed to grab the walls of the part, and the tang is there to help drive the insert into place. Free running inserts are fully rounded inserts that are slightly larger than the hole they install in.
What size Tap do I need for a M6 HeliCoil?
Tap Size: M6 x 1 STI. Drill Size: 1/4″
What is a #9 drill bit?
#9 drill bit = 49/250 inches.
What size do Heli-Coil drill bits come in?
Heli-Coil drilling data – metric METRIC – DRILLED HOLE DIMENSIONS Nominal Minor Diameter Suggested Drill Size Thread Size Min. Max. Aluminum Steel, Magnesium ,Plastic METRIC COARSE M2X0.4 2.087 2.170 2.1 2.1 M2.2×0.45 2.297 2.397 2.3 2.35 M2.5×0.45 2.597 2.697 2.55 2.65 M3x0.5 3.108 3.220 3.15 3.2
How do you calculate helicoil drill data?
Helicoil Drilling Data – Metric 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 maximum “set-down”).
What sizes do Heli-Coil inserts come in?
Heli-Coil inserts are available in thread repair kits and sets for repairing tapped holes which have been stripped or damaged due to They are available in inch, metric, spark plug and pipe thread series. Inch Coarse Thread (UNC) 4-40 5401-04 36* 5-40 5401-05 36* 6-32 5401-06 36* 8-32 5401-2 36* 10-24 5401-3 36* 12-24 5401-1 36* 1/4-20 5401-4
What is the minimum depth for helicoil drilling?
Helicoil Drill Chart The minimum drilling depths shown below allow for the following recommended practices: 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.