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![]() | Helical |
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About Leveling Mounts
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How to Install Helical Inserts
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About Helical Insert Length
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Stainless Steel Helical Inserts

Also known as Heli-Coil inserts, these inserts 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. Installation requires a drill bit, a helical insert tap, an installation tool, and a prong break-off tool.
For technical drawings and 3-D models, click on a part number.
Inserts | Through-Hole Taps | Closed-End Hole Taps | Installation Tools | ||||||||||||
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Thread Size | Thread Pitch, mm | Thread Spacing | Installed Lg., mm | Drill Bit Size | For Max. Hole Dia. | Specifications Met | Pkg. Qty. | Pkg. | Each | Each | Each | ||||
18-8 Stainless Steel—Right-Hand Threaded | |||||||||||||||
M36 | 4 | Coarse | 54 | 1 15/32" | 1 15/32" | SAE MA3279-187 | 1 | 000000000 | 000000 | 000000000 | 0000000 | 000000000 | 0000000 | 000000000 | 000000 |
Helical Inserts with Installation Tools

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.
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 | |||||||||
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M36 | 4 | Coarse | 54 | 1 7/16" | 1 7/16" | 4 | Through-Hole Tap, Installation Tool | 000000000 | 0000000 |
Installation Tools for Helical Inserts

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.
For technical drawings and 3-D models, click on a part number.

For Thread | ||||
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Size | Pitch, mm | Style | Each | |
For Right-Hand Thread | ||||
M36 | 4 | K | 000000000 | 000000 |
Extraction Tools for Helical Inserts

Place the tip of these tools into an insert and strike a light blow to the tool’s head. Then turn the tools counterclockwise with pressure to extract the insert.
For Thread Size | Each | |
1 1/8"-7, 1 1/8"-12, 1 1/4"-7, 1 1/4"-8, 1 1/4"-12, 1 3/8"-6, 1 3/8"-12, 1 1/2"-6, 1 1/2"-8, 1 1/2"-12, M27, M30, M36, M39 | 000000000 | 0000000 |
Seismic Swivel Leveling Mounts


Adjust the swivels on these mounts to level equipment on uneven surfaces for protection during earthquakes. All meet NZS 4219, a New Zealand standard for seismic-rated components. Use the threaded stud to raise equipment for cleaning and inspection, and the mounting holes to bolt equipment down and keep it in place. A rubber cushion helps reduce vibration to cut down on noise, protect floors, and extend machine life. Made of 304 stainless steel, these leveling mounts won’t corrode from frequent washdowns and harsh cleaners.
For technical drawings and 3-D models, click on a part number.
Capacity per Mount, lbs. | Mounting Holes | |||||||||||||
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Thread Size | Thread Pitch, mm | Thread Length | Load | Pull | Base Diameter | Overall Height | Temperature Range, °F | Mounting Fasteners Included | Number of | Diameter | Center-to-Center Length | Specifications Met | Each | |
304 Stainless Steel with Rubber Cushion | ||||||||||||||
M36 | 4 | 7 1/8" | 21,580 | 6,290 | 5 7/8" | 11 3/8" | 0° to 230° | No | 3 | 17/32" | 4 3/32" | NZS 4219 | 00000000 | 0000000 |
M36 | 4 | 7 1/8" | 21,580 | 8,540 | 7 7/8" | 11 3/8" | 0° to 230° | No | 4 | 5/8" | 4 15/32" | NZS 4219 | 00000000 | 000000 |
T-Slot Nuts

Designed to slide into T-slot tracks on machine tool tables, use these nuts to secure clamps and workpieces.
Fully threaded nuts allow a stud to extend beyond the bottom of the nut.
For technical drawings and 3-D models, click on a part number.

Base | Fully Threaded | |||||||
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Thread Size | Thread Pitch, mm | For Slot Wd., mm | Ht., mm | Wd., mm | O'all Ht., mm | Specifications Met | Each | |
Black-Oxide Steel | ||||||||
M36 | 4 | 42 | 26 | 65 | 52 | DIN 508 | 000000000 | 000000 |