Thin Wall
Carbon Steel
Stainless Steel
Automotive Designs


CARBON STEEL
THREAD INSERTS FOR METAL
Installation Video Click here to see Installation Video


COARSE THREAD SIZES
E-Z LOK
Part No.
Internal
Thread
External
Thread
Length Tap Drill
Size
Tap
Size
Minimum Full
Thread Depth
Drive Tool
Catalog No.
329-004 4-40 10-32 .250 5/32 10-32 9/32 --
329-006 6-32 1/4-20 .280 7 1/4-20 11/32 --
329-008 8-32 5/16-18 .290 F 5/16-18 7/16 500-1
329-3 10-24 3/8-16 .406 5/16 3/8-16 15/32 500-2
329-4 1/4-20 7/16-14 .437 23/64 7/16-14 1/2 500-3
329-5 5/16-18 1/2-13 .484 27/64 1/2-13 9/16 500-4
329-6 3/8-16 9/16-12 .515 31/64 9/16-12 19/32 500-5
329-7 7/16-14 5/8-11 .656 17/32 5/8-11 23/32 500-6
329-8 1/2-13 3/4-10 .656 21/32 3/4-10 3/4 500-7
329-9 9/16-12 3/4-10 .656 21/32 3/4-10 3/4 500-7
329-10 5/8-11 7/8-9 .687 49/64 7/8-9 13/16 500-8
329-1018 5/8-11 7/8-9 1.125 49/64 7/8-9 1-1/4 500-8
329-12 3/4-10 1-8 .781 7/8 1-8 7/8 500-9
329-14 7/8-9 1-1/4-7 1.125 1-7/64 1-1/4-7 1-1/4 --
329-16 1-8 1-3/8-12 1.250 1-9/32 1-3/8-12 1-3/8 --
FINE THREAD SIZES
E-Z LOK
Part No.
Internal
Thread
External
Thread
Length Tap Drill
Size
Tap
Size
Minimum Full
Thread Depth
Drive Tool
Catalog No.
329-332 10-32 3/8-16 .406 5/16 3/8-16 15/32 500-2
329-428 1/4-28 7/16-14 .437 23/64 7/16-14 1/2 500-3
329-524 5/16-24 1/2-13 .484 27/64 1/2-13 9/16 500-4
329-624 3/8-24 9/16-12 .515 31/64 9/16-12 19/32 500-5
329-720 7/16-20 5/8-11 .656 17/32 5/8-11 23/32 500-6
329-820 1/2-20 3/4-10 .656 21/32 3/4-10 3/4 500-7
329-918 9/16-18 3/4-10 .656 21/32 3/4-10 3/4 500-7
329-10F 5/8-18 7/8-9 .687 49/64 7/8-9 13/16 500-8
329-1216 3/4-16 1-8 .781 7/8 1-8 7/8 500-9
329-1414 7/8-14 1-1/4-7 1.125 1-7/64 1-1/4-7 1-1/4 --
329-1614 1-14 1-3/8-12 1.250 1-9/32 1-3/8-12 1-3/8 --
EXTRA HEAVY WALL : COARSE THREAD SIZES
E-Z LOK
Part No.
Internal
Thread
External
Thread
Length Tap Drill
Size
Tap
Size
Minimum Full
Thread Depth
Drive Tool
Catalog No.
335-4 1/4-20 1/2-13 .484 27/64 1/2-13 9/16 500-3
335-5 5/16-18 9/16-12 .515 31/64 9/16-12 19/32 500-4
335-6 3/8-16 5/8-11 .656 17/32 5/8-11 23/32 500-5
335-8 1/2-13 7/8-9 .687 49/64 7/8-9 13/16 500-7
335-10 5/8-11 1/8 .781 7/8 1-8 7/8 --
METRIC THREAD : METRIC INTERNAL / METRIC EXTERNAL
E-Z LOK
Part No.
Internal
Thread
External
Thread
Length Tap Drill
Size
Tap
Size
Minimum Full
Thread Depth
Drive Tool
Catalog No.
450-3 M3-0.5 M6-1.0 6.5mm 5.1mm M6-1.0 7.8mm --
450-4 M4-0.7 M8-1.25 7.5mm 6.9mm M8-1.25 9.0mm 5001
450-5 M5-0.8 M8-1.25 7.5mm 6.9mm M8-1.25 9.0mm 500-1
450-6 M6-1.0 M10-1.5 10.5mm 8.6mm M10-1.5 12.0mm 500-3
450-8 M8-1.25 M12-1.75 12.5mm 10.4mm M12-1.75 14.5mm 500-4
450-10 M10-1.5 M16-2.0 17.0mm 14.0mm M16-2.0 19.0mm 500-5
450-12 M12-1.75 M16-2.0 17.0mm 14.0mm M16-2.0 19.0mm 500-6
450-16 M16-2.0 M24-3.0 20.0mm 21.0mm M24-3.0 24.0mm 500-8
450-20 M20-2.5 M36-4.0 30.0mm 33.0mm M36-4.0 35.0mm --
METRIC THREAD : U.S. INTERNAL / METRIC EXTERNAL
E-Z LOK
Part No.
Internal
Thread
External
Thread
Length Tap Drill
Size
Tap
Size
Minimum Full
Thread Depth
Drive Tool
Catalog No.
550-006
6-32 M6-1.0 6.5 mm 5.1mm M6-1.0 7.8mm --
550-008 8-32 M8-1.25 7.5 mm 6.9mm M8-1.25 9.0mm 500-1
550-3 10-24 M10-1.5 10.5 mm 8.6mm M10-1.5 12.0mm 500-2
550-332 10-32 M10-1.5 10.5 mm 8.6mm M10-1.5 12.0mm 500-2
550-4 1/4-20 M12-1.75 12.5 mm 10.4mm M12-1.75 14.5mm 500-3
550-5 5/16-18 M12-1.75 12.5 mm 10.4mm M12-1.75 14.5mm 500-4
550-6 3/8-16 M16-2.0 17.0 mm 14.0mm M16-2.0 19.0mm 500-5
550-8 1/2-13 M16-2.0 17.0 mm 14.0mm M16-2.0 19.0mm 500-7
METRIC THREAD : METRIC INTERNAL / U.S. EXTERNAL
E-Z LOK
Part No.
Internal
Thread
External
Thread
Length Tap Drill
Size
Tap
Size
Minimum Full
Thread Depth
Drive Tool
Catalog No.
650-6 M6-1.0 3/8-16 .406 5/16 3/8-16 15/32 500-3
650-8 M8-1.25 1/2-13 .484 27/64 1/2-13 9/16 500-4
65010 M10-1.50 9/16-12 .515 31/64 9/16-12 19/32 500-5
650-10F M10-1.25 9/16-12 .515 31/64 9/16-12 19/32 500-5
650-12 M12-1.75 3/4-10 .656 21/32 3/4-10 3/4 500-6
650-14 M14-2.0 7/8-9 .687 49/64 7/8-9 13/16 500-7
650-16 M16-2.0 1-8 .781 7/8 1-8 7-8 500-8

E-Z LOK

800.234.5613 / e-mail: ezlok@ezlok.com
Ph. 310.323.5613 / Fx. 310.353.4444
240 E. Rosecrans Ave, Gardena, CA 90248


[ Metal ] [ Plastic ] [ Wood ] [ Kits ] [ Tooling Comp. ] [ Distributors ] [ Free Samples ] [ HOME ]
[ Thin Wall ] [ Carbon Steel ] [ Stainless Steel ] [ Automotive Designs ]