100
800-826-3045
BULK FASTENERS
Thread
Size
Socket
Size
Hex
(1 PC-Bulk)
Hex
(2 PC-Pack)
Hex
(10 PC-Pack)
Hex SS
(1 PC-Bulk)
1/4-28 (1)
7/16
200-8601
200-8621
200-8631
5/16-18 (2)
1/2
301-8304
301-8324
301-8344
401-8304
5/16-24
3/8
200-8614
200-8644
200-8674
400-8614
5/16-24
1/2
200-8602
200-8622
200-8632
11/32-24
1/2
200-8603
200-8623
200-8633
3/8-16 (2)
9/16
200-8704
200-8724
200-8734
400-8704
3/8-24
9/16
200-8604
200-8624
200-8634
400-8604
7/16-14 (2)
5/8
301-8305
301-8325
301-8345
401-8305
7/16-20
5/8
200-8605
200-8625
200-8635
400-8605
7/16-20
11/16
200-8606
200-8626
200-8636
1/2-20
3/4
200-8607
200-8627
200-8637
400-8607
9/16-18
7/8
200-8608
200-8628
200-8638
HEX NUTS
Constructed from the finest aerospace-quality materials, these
hex nuts are available in most sizes to meet your needs. All hex
nuts meet ARP’s exacting quality control standards and are black
oxided. All hex nuts are rated
180,000 psi
tensile strength.
(1) cad-plated (2) flanged hex nut
STANDARD & NYLOC
5-PACKS
To compliment ARP “bulk” 5-pack chrome moly and stainless
steel fasteners we have assembled matching groups of nuts. They,
too, come in convenient 5-pack skin cards. Take your pick from
stainless steel and black oxide finished standard nuts or stainless steel
Nyloc and cad plated Nyloc self-locking nuts.
Thread Size
Stainless
Hex
Black Oxide
Hex
Stainless Nyloc Hex
Cad Plated
Nyloc Hex
STANDARD THREAD
1/4-20
400-8651
200-8651
400-8661
200-8661
5/16-18
400-8652
200-8652
400-8662
200-8662
3/8-16
400-8654
200-8654
400-8664
200-8664
7/16-14
400-8656
200-8656
400-8666
200-8666
1/2-13
400-8657
200-8657
400-8667
200-8667
FINE THREAD
1/4-28
400-8751
400-8761
400-8771
5/16-24
400-8752
400-8762
3/8-24
400-8754
400-8764
7/16-20
400-8756
400-8766
1/2-20
400-8757
400-8767
