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Inch & Metric E-Z LOK Threaded Inserts Cross Reference

Here at MF Supply, we are a distributor for the most popular EZ-Lok inserts in Carbon steel & Stainless Steel 303 or 316.  UNC 4-40 to 1-8. UNF 10-32 to 1-14. Metric M3 to M20. One of our special skills is providing functional equivalents to expensive brand name fasteners. This helps our customers save money and reduce long lead times.

Use CTRL-F to find the part number you need and cross it to an equivalent .

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COARSE THREAD SIZES IN 303 STAINLESS STEEL
EZ-LOK Part Internal Thread External Thread Length Thread Tap In. Drill Size Tap Size Minimum Thread More Info
303-004 4-40 10-32 .250 5/32 10-32 9/32 - View Product
303-006 6-32 1/4-20 .280 7 1/4-20 11/32 - View Product
303-008 8-32 5/16-18 .290 F 5/16-18 7/16 500-1 View Product
303-3 10-24 3/8-16 .406 5/16 3/8-16 15/32 500-2 View Product
303-4 1/4-20 7/16-14 .437 23/64 7/16-14 1/2 500-3 View Product
303-5 5/16-18 1/2-13 .484 27/64 1/2-13 9/16 500-4 View Product
303-6 3/8-16 9/16-12 .515 31/64 9/16-12 19/32 500-5 View Product
303-7 7/16-14 5/8-11 .656 17/32 5/8-11 23/32 500-6 View Product
303-8 1/2-13 3/4-10 .656 21/32 3/4-10 3/4 500-7 View Product
303-10 5/8-11 7/8-9 .687 49/64 7/8-9 13/16 500-8 View Product
303-12 3/4-10 1-8 .781 7/8 1-8 7/8 500-9 View Product
FINE THREAD SIZES IN 303 STAINLESS STEEL
EZ-LOK Part Internal Thread External Thread Length Thread Tap In. Drill Size Tap Size Minimum Thread More Info
303-332 10-32 3/8-16 .406 5/16 3/8-16 15/32 500-2 View Product
303-428 1/4-28 7/16-14 .437 23/64 7/16-14 1/2 500-3 View Product
303-524 5/16-24 1/2-13 .484 27/64 1/2-13 9/16 500-4 View Product
303-624 3/8-24 9/16-12 .515 31/64 9/16-12 19/32 500-5 View Product
303-720 7/16-20 5/8-11 .656 17/32 5/8-11 23/32 500-6 View Product
303-820 1/2-20 3/4-10 .656 21/32 3/4-10 3/4 500-7 View Product
METRIC THREAD SIZES IN 303 STAINLESS STEEL
EZ-LOK Part Internal No. External Thread Length Thread Tap Size Drill Size Tap Thread Minimum Depth More Info
453-3 M3-0.5 M6-1.0 6.5mm 5.1mm M6-1.0 7.8mm - View Product
453-4 M4-0.7 M8-1.25 7.5mm 6.9mm M8-1.25 9.0mm 500-1 View Product
453-5 M5-0.8 M8-1.25 7.5mm 6.9mm M8-1.25 9.0mm 500-1 View Product
453-6 M6-1.0 M10-1.5 10.5mm 8.6mm M10-1.5 12.0mm 500-3 View Product
453-8 M8-1.25 M12-1.75 12.5mm 10.4mm M12-1.75 14.5mm 500-4 View Product
453-10 M10-1.5 M16-2.0 17.0mm 14.0mm M16-2.0 19.0mm 500-5 View Product
453-12 M12-1.75 M16-2.0 17.0mm 14.0mm M16-2.0 19.0mm 500-6 View Product
453-16 M16-2.0 M24-3.0 20.0mm 21.0mm M24-3.0 24.0mm 500-8 View Product
METRIC THREAD SIZES IN 303 STAINLESS STEEL - INTERNAL / US
EZ-LOK Part Internal Thread External Thread Length Thread Tap In. Drill Size Tap Size Minimum Thread More Info
653-6 M6-1.0 3/8-16 .406 5/16 3/8-16 15/32 500-3 View Product
653-8 M8-1.25 1/2-13 .484 27/64 1/2-13 9/16 500-4 View Product
653-10 M10-1.50 9/16-12 .515 31/64 9/16-12 19/32 500-5 View Product
653-10F M10-1.25 9/16-12 .515 31/64 9/16-12 19/32 500-5 View Product
653-12 M12-1.75 3/4-10 .656 21/32 3/4-10 3/4 500-6 View Product
653-14 M14-2.0 7/8-9 .687 49/64 7/8-9 13/16 500-7 View Product
653-16 M16-2.0 1-8 .781 7/8 1-8 7/8 500-8 View Product
COARSE FINE THREAD SIZES IN 316 STAINLESS STEEL
EZ-LOK Part Internal Thread External Thread Length Thread Tap In. Drill Size Tap Size Minimum Thread More Info
316-008 8-32 5/16-18 .290 F 5/16-18 7/16 500-1 View Product
316-3 10-24 3/8-16 .406 5/16 3/8-16 15/32 500-2 View Product
316-332 10-32 3/8-16 .406 5/16 3/8-16 15/32 500-2 View Product
316-4 1/4-20 7/16-14 .437 23/64 7/16-14 1.125 500-3 View Product
316-5 5/16-18 1/2-13 .484 27/64 1/2-13 1.125 500-4 View Product
316-6 3/8-16 9/16-12 .515 31/64 9/16-12 1.125 500-5 View Product