BULK FASTENERS
Bulk Nuts
Black Oxide 6-Pt. Head
Black Oxide 12-Pt. Head
Stainless 6-Pt. Head
Stainless 12-Pt. Head
Thread
Description
Qty.
1/4" Bulk Nuts 1/4"-20
With Flange
10
— — — —
ARP301-8340
— ARP401-8340
1/4"-20 1/4"-20 1/4"-28 1/4"-28
Nyloc
5
— ARP400-8661
—
With Flange With Flange With Flange
10
—
— ARP400-8300 — ARP400-8300 — ARP400-8330
1
ARP300-8300 ARP300-8330
Black Oxide 6-Pt. Head
10 ARP200-8631 10 ARP200-8639 A
— —
— —
— —
1/4"-28 Serrated Flange
1/4"-28 Self-Locking Flange 1 ARP200-8102 B
5/16" Bulk Nuts 5/16"-18
With Flange With Flange
10
— — —
ARP301-8343
ARP301-8344 ARP401-8343
5/16"-18 5/16"-18 5/16"-24
1 5 1
—
— ARP401-8303
Nyloc
— ARP400-8662
—
With Flange
ARP200-8602
ARP300-8301
— ARP400-8301
10 ARP200-8632 C ARP200-8674
5/16"-24
With Flange
ARP300-8331
— ARP400-8331
5/16"-24
Nyloc
5
—
— ARP400-8762
— — — —
5/16"-24 Serrated Flange
10 ARP200-8630 A
— —
—
5/16"-24 Non-Serrated Flange 10 ARP200-8665 A 5/16"-24 Self-Locking Flange 1 ARP200-8103 B
—
ARP200-8203 B
—
Black Oxide 12-Pt. Head
3/8" Bulk Nuts 3/8"-16
With Flange With Flange
1
—
—
— ARP401-8301 — ARP401-8341
3/8"-16 3/8"-16 3/8"-16 3/8"-16 3/8"-24 3/8"-24
10 ARP200-8734
ARP301-8341
Standard
5 5 2 1 2
— — —
— ARP400-8654 — ARP400-8664
— — —
Nyloc
With Flange With Flange With Flange
ARP301-8321 ARP300-8302 ARP300-8322
—
ARP200-8604
— ARP400-8302
—
—
—
ARP300-8332 ARP300-8391 C, D ARP300-8392 C
3/8"-24
With Flange
10 ARP200-8634
— ARP400-8332
3/8"-24
Nyloc
5
—
— ARP400-8764
— — — — — — —
3/8"-24 Serrated Flange 3/8"-24 Serrated Flange
1 ARP200-8600 A 10 ARP200-8650 A
— —
— — — — — —
Stainless 6-Pt. Head
3/8"-24 Self -Locking Flange 1 ARP200-8104 B
ARP200-8204 B ARPAJN12-1 E ARP300-8371 ARP300-8381
3/8"-24 3/8"-24 3/8"-24
With Flange With Flange With Flange
1 1 2
— — —
7/16" Bulk Nuts 7/16"-14
With Flange
10
— —
ARP301-8346
—
— —
7/16"-14
Nyloc
5
— ARP400-8666
ARP200-8605 ARP200-8606 G
ARP300-8303
— ARP400-8303
7/16"-20
With Flange
1
7/16"-20
With Flange
2
—
ARP300-8323 ARP300-8333 C ARP300-8394 E ARP300-8395 F ARP301-8356 H ARP301-8354 G
—
7/16"-20
With Flange
10 ARP200-8635 ARP200-8636 G
— ARP400-8333
Stainless 12-Pt. Head
7/16"-20 7/16"-20
With Flange
10
— —
—
— —
Nyloc
5
— ARP400-8766
1/2" Bulk Nuts 1/2"-13
With Flange
1 5 2
— — — —
—
— ARP401-8302
1/2"-13 1/2"-13 1/2"-13
Nyloc
— ARP400-8667
— — —
With Flange With Flange
ARP301-8322 ARP301-8342
— —
10
582 2021-22 ENGINE BUILDER CATALOG
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