2014 ARP Catalog

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

BULK FASTENERS

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)

Socket Size

Thread Size

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 1.75 300-8396 *small collar (1) .645 flange (2) .600 flange (3) .475 height (4) .450 height (5) .375 height 14mm 300-8376 300-8386

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