Search Results
Thread Size Thread Size |
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For Thread Size For Thread Size |
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Installed Length Installed Length |
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For Minimum Material Thickness For MinimumMaterial Thickness |
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Thread Direction Thread Direction |
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| Right Hand | Left Hand |
Thread Spacing Thread Spacing |
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For Helical Insert Style For Helical Insert Style |
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For Thread Direction For Thread Direction |
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Drill Bit Size Drill Bit Size |
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For Maximum Hole Diameter For Maximum Hole Diameter |
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Helical Inserts with Installation Tools
Shown with Five Inserts and Drill Bit
Shown with Five Inserts
Inserts come with a through-hole tap and installation tool. Also known as Heli-Coil inserts, they have coils that expand once installed to securely anchor the insert. All have a prong for ease of installation. An installation tool grips the prong and reduces the coil diameter, enabling the insert to fit in tapped holes. Remove the prong to insert the screw.
Inch
| Thread Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | No. of Inserts Included | Includes | Each | |
18-8 Stainless Steel—Right-Hand Threaded | |||||||
|---|---|---|---|---|---|---|---|
| 2-56 | 0.129" | 3/32" | 3/32" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 4-40 | 0.168" | No. 31 | 0.12" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 6-32 | 0.207" | No. 25 | 0.1495" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 8-32 | 0.246" | 11/64" | 11/64" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 10-24 | 0.285" | 13/64" | 13/64" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 10-32 | 0.285" | 13/64" | 13/64" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 12-24 | 0.324" | 15/64" | 15/64" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 1/4"-20 | 3/8" | 17/64" | 17/64" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 1/4"-28 | 3/8" | 17/64" | 17/64" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 5/16"-18 | 0.469" | 21/64" | 21/64" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 5/16"-24 | 0.469" | 21/64" | 21/64" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 3/8"-16 | 0.562" | 25/64" | 25/64" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 3/8"-24 | 0.562" | 25/64" | 25/64" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 7/16"-14 | 0.656" | 29/64" | 29/64" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 7/16"-20 | 0.656" | 29/64" | 29/64" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 1/2"-13 | 3/4" | 17/32" | 17/32" | 5 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 1/2"-20 | 3/4" | 33/64" | 33/64" | 5 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 9/16"-12 | 0.844" | 19/32" | 19/32" | 6 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 9/16"-18 | 0.844" | 37/64" | 37/64" | 6 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 5/8"-11 | 0.938" | 21/32" | 21/32" | 6 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 5/8"-18 | 0.938" | 41/64" | 41/64" | 6 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 3/4"-10 | 1 1/8" | 25/32" | 25/32" | 4 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 3/4"-16 | 1 1/8" | 49/64" | 49/64" | 4 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 7/8"-9 | 1.312" | 29/32" | 29/32" | 6 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 7/8"-14 | 1.312" | 57/64" | 57/64" | 6 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 1"-8 | 1 1/2" | 1 1/32" | 1 1/32" | 6 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 1"-12 | 1 1/2" | 1 1/64" | 1 1/64" | 6 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 1"-14 | 1 1/2" | 1 1/64" | 1 1/64" | 6 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 1 1/8"-7 | 1.688" | 1 5/32" | 1 5/32" | 5 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 1 1/8"-12 | 1.688" | 1 5/32" | 1 5/32" | 5 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 1 1/4"-7 | 1 7/8" | 1 9/32" | 1 9/32" | 4 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 1 1/4"-12 | 1 7/8" | 1 9/32" | 1 9/32" | 4 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 1 1/2"-6 | 2 1/4" | 1 17/32" | 1 17/32" | 4 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 1 1/2"-12 | 2 1/4" | 1 17/32" | 1 17/32" | 4 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
18-8 Stainless Steel—Left-Hand Threaded | |||||||
| 1/4"-20 | 3/8" | 17/64" | 17/64" | 6 | Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 1/4"-28 | 3/8" | 17/64" | 17/64" | 6 | Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 5/16"-18 | 0.469" | 21/64" | 21/64" | 6 | Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 5/16"-24 | 0.469" | 21/64" | 21/64" | 6 | Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 3/8"-16 | 0.562" | 25/64" | 25/64" | 6 | Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 3/8"-24 | 0.562" | 25/64" | 25/64" | 6 | Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| 1/2"-13 | 3/4" | 17/32" | 17/32" | 4 | Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 1/2"-20 | 3/4" | 33/64" | 33/64" | 4 | Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 5/8"-11 | 0.938" | 21/32" | 21/32" | 2 | Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 5/8"-18 | 0.938" | 41/64" | 41/64" | 2 | Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 3/4"-10 | 1 1/8" | 25/32" | 25/32" | 2 | Through-Hole Tap, Installation Tool | 000000000 | 000000 |
Metric
| Thread Size | Thread Pitch, mm | Thread Spacing | Installed Lg., mm | Drill Bit Size | For Max. Hole Dia. | No. of Inserts Included | Includes | Each | |
18-8 Stainless Steel—Right-Hand Threaded | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| M2.5 | 0.45 | Coarse | 3.8 | No. 38 | 0.1015" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 0000000 |
| M3 | 0.5 | Coarse | 4.5 | 1/8" | 1/8" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| M4 | 0.7 | Coarse | 6 | 11/64" | 11/64" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| M5 | 0.8 | Coarse | 7.5 | 13/64" | 13/64" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| M6 | 1 | Coarse | 9 | 1/4" | 1/4" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| M7 | 1 | Coarse | 10.5 | 9/32" | 9/32" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| M8 | 1.25 | Coarse | 12 | 21/64" | 21/64" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| M8 | 1 | Fine | 12 | 21/64" | 21/64" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| M10 | 1.5 | Coarse | 15 | 13/32" | 13/32" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| M10 | 1.25 | Fine | 15 | 13/32" | 13/32" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| M10 | 1 | Extra Fine | 15 | 13/32" | 13/32" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| M12 | 1.75 | Coarse | 18 | 31/64" | 31/64" | 5 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| M12 | 1.5 | Fine | 18 | 31/64" | 31/64" | 5 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| M12 | 1.25 | Extra Fine | 18 | 31/64" | 31/64" | 5 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| M14 | 2 | Coarse | 21 | 37/64" | 37/64" | 12 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| M14 | 1.5 | Fine | 21 | 9/16" | 9/16" | 5 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 00000 |
| M16 | 2 | Coarse | 24 | 21/32" | 21/32" | 6 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| M18 | 2.5 | Coarse | 27 | 47/64" | 47/64" | 6 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| M20 | 2.5 | Coarse | 30 | 13/16" | 13/16" | 4 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| M24 | 3 | Coarse | 36 | 31/32" | 31/32" | 5 | Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| M30 | 3.5 | Coarse | 45 | 1 1/4" | 1 1/4" | 5 | Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| M36 | 4 | Coarse | 54 | 1 7/16" | 1 7/16" | 4 | Through-Hole Tap, Installation Tool | 000000000 | 000000 |
Pipe Thread
| Pipe Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | No. of Inserts Included | Includes | Each | |
18-8 Stainless Steel—Right-Hand Threaded | |||||||
|---|---|---|---|---|---|---|---|
| 1/8 | 0.273" | 3/8" | 3/8" | 12 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 0000000 |
| 1/4 | 0.394" | 33/64" | 33/64" | 12 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 3/8 | 0.407" | 21/32" | 21/32" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
| 1/2 | 0.534" | 13/16" | 13/16" | 10 | Drill Bit, Through-Hole Tap, Installation Tool | 000000000 | 000000 |
Installation Tools for Helical Inserts
D
E
A
B
C
F
G
H
Screw an insert onto these tools and drive them a quarter to half-turn below the material’s surface. They’re compatible with helical inserts that have a prong.
Style B cannot be used with screw-lock inserts.
Inch
D
E
A
B
C
F
G
| For Thread Size | Style | Each | |
For Right-Hand Thread | |||
|---|---|---|---|
| 1-64 | D | 000000000 | 0000000 |
| 2-56 | E | 000000000 | 00000 |
| 3-48 | E | 000000000 | 00000 |
| 3-56 | A | 000000000 | 000000 |
| 4-40 | A | 000000000 | 00000 |
| 4-40 | B | 000000000 | 00000 |
| 4-48 | A | 000000000 | 000000 |
| 5-40 | A | 000000000 | 000000 |
| 6-32 | A | 000000000 | 00000 |
| 6-32 | B | 000000000 | 00000 |
| 6-40 | A | 000000000 | 000000 |
| 8-32 | A | 000000000 | 00000 |
| 8-32 | B | 000000000 | 00000 |
| 8-36 | A | 000000000 | 000000 |
| 10-24 | A | 000000000 | 00000 |
| 10-24 | B | 000000000 | 00000 |
| 10-32 | A | 000000000 | 00000 |
| 10-32 | B | 000000000 | 00000 |
| 12-24 | A | 000000000 | 000000 |
| 1/4"-20 | A | 000000000 | 00000 |
| 1/4"-20 | B | 000000000 | 00000 |
| 1/4"-28 | A | 000000000 | 00000 |
| 1/4"-28 | B | 000000000 | 00000 |
| 5/16"-18 | A | 000000000 | 000000 |
| 5/16"-18 | B | 000000000 | 00000 |
| 5/16"-24 | A | 000000000 | 000000 |
| 5/16"-24 | B | 000000000 | 00000 |
| 3/8"-16 | A | 000000000 | 000000 |
| 3/8"-16 | B | 000000000 | 00000 |
| 3/8"-24 | A | 000000000 | 000000 |
| 3/8"-24 | B | 000000000 | 00000 |
| 7/16"-14 | A | 000000000 | 000000 |
| 7/16"-14 | B | 000000000 | 00000 |
| 7/16"-20 | A | 000000000 | 000000 |
| 7/16"-20 | B | 000000000 | 00000 |
| 1/2"-13 | A | 000000000 | 000000 |
| 1/2"-13 | B | 000000000 | 00000 |
| 1/2"-20 | A | 000000000 | 000000 |
| 1/2"-20 | B | 000000000 | 00000 |
| 9/16"-12 | C | 000000000 | 00000 |
| 9/16"-18 | D | 000000000 | 000000 |
| 5/8"-11 | B | 000000000 | 00000 |
| 5/8"-11 | C | 000000000 | 00000 |
| 5/8"-18 | B | 000000000 | 00000 |
| 5/8"-18 | D | 000000000 | 000000 |
| 3/4"-10 | B | 000000000 | 00000 |
| 3/4"-10 | C | 000000000 | 00000 |
| 3/4"-16 | B | 000000000 | 00000 |
| 3/4"-16 | D | 000000000 | 000000 |
| 7/8"-9 | C | 000000000 | 00000 |
| 7/8"-14 | D | 000000000 | 000000 |
| 1"-8 | C | 000000000 | 00000 |
| 1"-12 | D | 000000000 | 000000 |
| 1"-14 | D | 000000000 | 000000 |
| 1 1/4"-7 | C | 000000000 | 00000 |
| 1 1/4"-8 | F | 000000000 | 00000 |
| 1 1/4"-12 | D | 000000000 | 000000 |
| 1 1/2"-8 | F | 000000000 | 00000 |
| 1 3/4"-8 | F | 000000000 | 00000 |
For Left-Hand Thread | |||
| 1/4"-20 | F | 000000000 | 00000 |
| 1/4"-28 | F | 000000000 | 00000 |
| 5/16"-18 | F | 000000000 | 00000 |
| 5/16"-24 | F | 000000000 | 00000 |
| 3/8"-16 | F | 000000000 | 00000 |
| 3/8"-24 | F | 000000000 | 00000 |
| 1/2"-13 | G | 000000000 | 00000 |
| 1/2"-20 | G | 000000000 | 00000 |
| 5/8"-11 | G | 000000000 | 00000 |
| 5/8"-18 | G | 000000000 | 00000 |
| 3/4"-10 | G | 000000000 | 00000 |
Metric
H
E
A
B
D
G
For Thread | ||||
|---|---|---|---|---|
| Size | Pitch, mm | Style | Each | |
For Right-Hand Thread | ||||
| M2 | 0.4 | H | 000000000 | 0000000 |
| M2.2 | 0.45 | E | 000000000 | 00000 |
| M2.5 | 0.45 | A | 000000000 | 000000 |
| M3 | 0.5 | A | 000000000 | 00000 |
| M3.5 | 0.6 | A | 000000000 | 00000 |
| M4 | 0.7 | A | 000000000 | 00000 |
| M5 | 0.8 | A | 000000000 | 00000 |
| M5 | 0.8 | B | 000000000 | 00000 |
| M6 | 1 | A | 000000000 | 00000 |
| M6 | 1 | B | 000000000 | 00000 |
| M7 | 1 | A | 000000000 | 000000 |
| M8 | 1.25 | A | 000000000 | 000000 |
| M8 | 1.25 | B | 000000000 | 00000 |
| M8 | 1 | A | 000000000 | 000000 |
| M10 | 1.5 | A | 000000000 | 000000 |
| M10 | 1.5 | B | 000000000 | 00000 |
| M10 | 1.25 | A | 000000000 | 000000 |
| M10 | 1 | A | 000000000 | 000000 |
| M12 | 1.75 | A | 000000000 | 000000 |
| M12 | 1.75 | B | 000000000 | 00000 |
| M12 | 1.5 | A | 000000000 | 000000 |
| M12 | 1.25 | A | 000000000 | 000000 |
| M14 | 2 | A | 000000000 | 000000 |
| M14 | 1.5 | A | 000000000 | 000000 |
| M16 | 2 | A | 000000000 | 000000 |
| M18 | 2.5 | E | 000000000 | 000000 |
| M20 | 2.5 | D | 000000000 | 000000 |
| M24 | 3 | G | 000000000 | 00000 |
| M30 | 3.5 | G | 000000000 | 00000 |
| M36 | 4 | G | 000000000 | 00000 |
Installation Tools for Helical Inserts without Prong
Screw an insert onto these tools and drive them a quarter to half-turn below the material’s surface.
Tools for metric size inserts have a hollow handle for tip storage.
Replacement tips (sold separately) include one installation tip, two pins, and two springs. Tip for 10-32 internal thread size does not require springs and pins.
Inch
