AMC 2026 catalogue

Fasteners

Thread Inserts

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FASTENERS

Thread Insert Power Drivers Install thread inserts without engaging the threads. Drivers ensure inserts are installed at the proper depth.

ELK303-004

Internal Thread SizeExternal Thread Size Hex Shank Size

Use With Internal

Thread Size

Item

No. Self Locking Thread Insert

#10-24 3⁄8"-16 — — ELK303-3 #10-32 3⁄8"-16 — — ELK303-332 #4-40 #10-32 — — ELK303-004 #6-32 1⁄4"-20 — — ELK303-006 #8-32 5⁄16"-18 — — ELK303-008 1⁄4"-20 7⁄16"-14 — — ELK303-4 1⁄4"-28 7⁄16"-14 — — ELK303-428 5⁄16"-18 1⁄2"-13 — — ELK303-5 5⁄16"-24 1⁄2"-13 — — ELK303-524 3⁄8"-24 9⁄16"-12 — — ELK303-624 3⁄8"-16 9⁄16"-12 — — ELK303-6 7⁄16"-20 5⁄8"-11 — — ELK303-720 7⁄16"-14 5⁄8"-11 — — ELK303-7 1⁄2"-13 3⁄4"-10 — — ELK303-8 1⁄2"-20 3⁄4"-10 — — ELK303-820 5⁄8"-11 7⁄8"-9 — — ELK303-10 3⁄4"-10 1"-8 — — ELK303-12

E-Z LOK

Self-Locking Thread Inserts

E-Z LOK

Internal Thread Size External Thread Size Length Wall Type Drill Size Power Driver

Item

No. Pkg. Qty.

3⁄4"-16 1"-8 0.781" Heavy 7⁄8" ELK500-9 ELK329-

1216 5

3⁄4"-10 1"-8 0.781" Heavy 7⁄8 ELK500-9 ELK329-12 5

3⁄8"-24 1⁄2"-13 0.500" Thin 29⁄64" ELK500-5 ELK319-624 10 9⁄16"-12 0.515" Heavy 31⁄64" ELK500-5 ELK329-624 10

3⁄8"-16

1⁄2"-13 0.500" Thin 29⁄64" ELK500-5 ELK319-6 10 9⁄16"-12 0.515" Heavy 31⁄64" ELK500-5 ELK329-6 10 M16x2.00 17.0 mm Heavy 14 mm ELK500-5 ELK550-6 5 5⁄8"-11 0.656" Extra Heavy 17⁄32" ELK500-5 ELK335-6 5 5⁄8"-18 7⁄8"-9 0.687" Heavy 49⁄64" ELK500-8 ELK329-10F 5

5⁄8"-11

7⁄8"-9 0.687" Heavy 49⁄64" ELK500-8 ELK329-10 5

7⁄8"-9 1.125" Heavy 49⁄64" ELK500-8 ELK329-

1018 5

1"-8 0.781" Extra Heavy 7⁄8" — ELK335-10 5

5⁄16"-24 7⁄16"-14 0.437" Thin X ELK500-4 ELK319-524 10 1⁄2"-13 0.484" Heavy 27⁄64" ELK500-4 ELK329-524 10

5⁄16"-18

7⁄16"-14 0.437" Thin X ELK500-4 ELK319-5 10 1⁄2"-13 0.484" Heavy 27⁄64" ELK500-4 ELK329-5 10 M12x1.75 12.5 mm Heavy 10.4 mm ELK500-4 ELK550-5 5 9⁄16"-12 0.515" Extra Heavy 31⁄64" ELK500-4 ELK335-5 10

7⁄8"-14 1 1⁄4"-7 1.125" Heavy 1 7⁄64" — ELK329-

1414 5

7⁄8"-9 1 1⁄4"-7 1.125" Heavy 1 7⁄64" — ELK329-14 5

7⁄16"-20 9⁄16"-12 0.560" Thin 33⁄64" ELK500-6 ELK319-720 5 5⁄8"-11 0.656" Heavy 17⁄32" ELK500-6 ELK329-720 5

7⁄16"-14 9⁄16"-12 0.560" Thin 33⁄64" ELK500-6 ELK319-7 5 5⁄8"-11 0.656" Heavy 17⁄32" ELK500-6 ELK329-7 5 9⁄16"-18 3⁄4"-10 0.656" Heavy 21⁄32" ELK500-7 ELK329-918 5 9⁄16"-12 3⁄4"-10 0.656" Heavy 21⁄32" ELK500-7 ELK329-9 5 M3x0.50 M6x1.00 6.5 mm Heavy 5.1 mm — ELK450-3 10 M4x0.70 M8x1.25 7.5 mm Heavy 6.9mm ELK500-1 ELK450-4 10 M5x0.80 M8x1.25 7.5 mm Heavy 6.9 mm ELK500-1 ELK450-5 10

M6x1.00 M10x1.50 0.413" Heavy 8.6mm ELK500-3 ELK450-6 5 3⁄8"-16 0.406" Heavy 5⁄16" ELK500-3 ELK650-6 10

M8x1.25 M12x1.75 0.492" Heavy 10.4mm ELK500-4 ELK450-8 5 1⁄2"-13 0.484" Heavy 27⁄64" ELK500-4 ELK650-8 10 M10x1.25 9⁄16"-12 0.515" Heavy 31⁄64" ELK500-5 ELK650-10F 10

M10x1.50

9⁄16"-12 0.515" Heavy 31⁄64" ELK500-5 ELK650-10 10 M16x2.00 17.0 mm Heavy 14 mm ELK500-5 ELK450-10 5

M12x1.75 M16x2.00 0.669" Heavy 14mm ELK500-6 ELK450-12 5 3⁄4"-10 0.656" Heavy 21⁄32" ELK500-6 ELK650-12 5 M14x2.00 7⁄8"-9 0.687" Heavy 49⁄64" — ELK650-14 5

M16x2.00 M24x3.00 0.787" Heavy 21 mm ELK500-8 ELK450-16 5 1"-8 0.781" Heavy 7⁄8" ELK500-8 ELK650-16 5 M20x2.50 M36x4.00 30.0 mm Heavy 33 mm — ELK450-20 5

Internal Thread SizeExternal Thread Size Hex Shank Size

Use With Internal

Thread Size

Item

No. Power Driver

— — 3⁄8" 3⁄4" ELK500-9 — — 1⁄4" #6 ELK500-006 — — 1⁄4" #8, M4, and M5 ELK500-1 — — 1⁄4" 1⁄4" and M6 ELK500-3 — — 3⁄8" 3⁄8" and M10 ELK500-5 — — 3⁄8" 1⁄2" and 9⁄16" ELK500-7 — — 3⁄8" 5⁄8" and M16 ELK500-8 — — 1⁄4" #10 ELK500-2 — — 1⁄4" 5⁄16" and M8 ELK500-4 — — 3⁄8" 7⁄16" and M12 ELK500-6