99
800-826-3045
BULK FASTENERS
Available in a variety of sizes to suit your needs, all ARP 12-point nuts are
constructed from 8740 chrome moly steel or ARP 300 Series stainless steel
material, and meet ARP’s highest standards of quality. Rated at
180,000 psi
tensile strength, ARP 12-point nuts are manufactured in thick wall versions
for optimum strength and rigidity and thin wall versions for applications
with limited space requirements. All 8740 chrome moly steel nuts are black
oxide finished and all stainless steel nuts are polished to a briliant luster. ARP
12-point nuts are available in 1-piece bulk, 2-piece and 10 piece packages.
12-POINT NUTS
Thread Size
Socket
Size
12-Point
(1 PC Bulk)
12-Point
(2 PC-Pack)
12-Point
(10 PC-Pack)
12-Point SS
(1 PC Bulk)
12-Point SS
(2 PC-Pack)
12-Point SS
(10 PC-Pack)
STANDARD THREAD
1/4-20
5/16
301-8300
301-8320
301-8340
401-8300
1/4-28
5/16
300-8300
300-8320
300-8330
400-8300
400-8320
400-8330
5/16-18
3/8
301-8303
301-8323
301-8343
401-8303
5/16-24
3/8
300-8301
300-8321
300-8331
400-8301
11/32-24
7/16
300-8373
300-8383
300-8393
3/8-16
7/16
301-8301
301-8321
301-8341
401-8301
3/8-24
7/16
300-8302
300-8322
300-8332
400-8302
400-8322
400-8332
3/8-24
1/2
300-8371
300-8381
300-8391
3/8-24 (1)
1/2
300-8372
300-8382
300-8392
7/16-14
1/2
301-8306
301-8326
301-8346
401-8306
7/16-20
1/2
300-8303
300-8323
300-8333
400-8303
400-8323
400-8333
7/16-20 (2)
1/2
300-8375
300-8385
300-8395
7/16-20 (3)
1/2
301-8316
301-8336
301-8356
7/16-20
9/16
300-8374
300-8384
300-8394
7/16-20
5/8
301-8314
301-8334
301-8354
1/2-13
9/16
301-8302
301-8322
301-8342
401-8302
1/2-20
9/16
300-8304
300-8324
300-8334
1/2-20
5/8
300-8306
300-8326
300-8336
1/2-20
11/16
301-8313
301-8333
301-8353
9/16-12
11/16
301-8307
301-8327
301-8347
9/16-18
11/16
300-8305
300-8325
300-8335
5/8-18
13/16
300-8309
300-8329
300-8339
METRIC THREAD
M6 x 1.00
8mm
300-8370
300-8380
300-8390
400-8370
M7 x 1.00
9mm
300-8346
300-8356
300-8366
400-8346
M8 x 1.00
10mm
300-8340
300-8350
300-8360
400-8340
M8 x 1.25
10mm
300-8310
300-8311
300-8312
400-8310
M9 x 1.00
11mm
300-8341
300-8351
300-8361
400-8341
M9 x 1.00
13mm
301-8308
301-8328
301-8348
M9 x 1.25
12mm
300-8342
300-8352
300-8362
M10 x 1.00
12mm
301-8311
301-8331
301-8351
401-8311
M10 x 1.25*
12mm
300-8343
300-8353
300-8363
M10 x 1.25
12mm
300-8344
300-8354
300-8364
400-8344
M10 x 1.25*
12mm
301-8310
301-8330
301-8350
M10 x 1.25 (4)
16mm
301-8312
301-8332
301-8352
M10 x 1.25 (5)
16mm
301-8315
301-8335
301-8355
M10 x 1.50
12mm
300-8345
300-8355
300-8365
400-8345
M12 x 1.00
14mm
300-8347
300-8367
300-8387
400-8347
M12 x 1.25
14mm
300-8307
300-8327
300-8337
400-8307
M12 x 1.25*
14mm
300-8308
300-8328
300-8338
400-8308
M12 x 1.25
16mm
301-8318
301-8338
301-8358
M12 x 1.75
14mm
300-8376
300-8386
300-8396
*small collar (1) .645 flange (2) .600 flange (3) .475 height (4) .450 height (5) .375 height
