Section C

Hex Nuts

Inch Pouce

Écrous hexagonaux

THREADS are Unified Standard Class 2B Thread Fit Available in Plain or Zinc Chromate Plated

STEEL HEX NUTS Finished Full SAE Grade 2

ASME B18.2.2

INCH CAP SCREW SIZES

C

NOMINAL SIZE (Inches)

COARSE THREAD

FINE THREAD

WIDTH ACROSS

PKG QTY.

SPAENAUR No.

SPAENAUR No.

Plain Zinc Plated Thread Plain Zinc Plated Thread FLAT THICKNESS

20 18 16 13 11 10

28 24 24 20 14 16 12 12 -

7/16" 1/2" 9/16" 3/4" 15/16" 1-1/8" 1-5/16" 1-1/2" 2-1/16" 2-7/16" 2-5/8" 3-3/8"

7/32" 17/64" 21/64" 7/16" 35/64" 41/64"

100 100 100 50

1/4 5/16 3/8 1/2

155-380 155-027 155-029 155-226 155-382 155-199

155-379 155-031

– – – –

– – – –

C

C

– –

-

-

50 50 25 25

5/8 3/4 7/8

155-386 155-383 155-385

– –

–

9

3/4"

–

155-P20-1C

55/64" 1-11/64" 1-25/64" 1-1/2" 1-59/64"

1

– – – – –

– –

155-003 155-023

– – – – –

5 1 1 1

1-3/8 1-5/8 1-3/4 2-1/4

5-1/2 4-1/2

– – –

12

–

STEEL HEX NUTS Finished Full SAE Grade 5

THREADS are Unified Standard Class 2B Thread Fit Available in Plain or Zinc Chromate Plated

ASME B18.2.2

NOMINAL SIZE (Inches)

COARSE THREAD

FINE THREAD

WIDTH ACROSS

PKG QTY.

SPAENAUR No.

SPAENAUR No.

Plain Zinc Plated Thread Plain Zinc Plated Thread FLAT THICKNESS

20 18 16 14 13 12 11 10

28 24 24 20 20 18 18 16 14 14 12 12 12

7/16" 1/2" 9/16" 11/16"

7/32" 17/64" 21/64" 3/8" 7/16" 31/64" 35/64" 41/64" 55/64" 31/32" 1-1/16" 1-9/32" 3/4"

100 100 100 50 50 50 50 50 25 25

1/4

–

B-91 B-92

– – – – – – – – – – – – –

155-P36-1W 155-P31-1Y 155-P23-1K

5/16

155-025 155-028

3/8

155-P40-1X 155-P39-1A

7/16

–

B-104 B-105

3/4" 7/8"

1/2

155-225

B-95 B-96

9/16

– – – – – – –

155-P47-1K 155-P46-1T

15/16" 1-1/8" 1-5/16" 1-1/2" 1-11/16" 1-7/8" 2-1/4"

5/8 3/4 7/8

155-P16-1P

155-428

B-98 B-99 B-100

B-108 B-109 B-110

9 8 7 7 6

1

5 5 5

1-1/8 1-1/4 1-1/2

155-348 155-346 155-356

155-P10-1T 155-P19-1N 155-P28-1P

Heat Treated Class 2B Thread Fit Plain Finish or Zinc Plated with Yellow Dichromate Dipped

HIGH TENSILE HEX NUTS Finished SAE GRADE 8

S IZES 1/4" THROUGH 3/4" ARE COLD FORMED , R OCKWELL C30-32. 7/8" THROUGH 1-1/2" ARE HOT FORMED , R OCKWELL C28-34.

ASME B18.2.2

NOMINAL SIZE (Inches)

COARSE THREAD

FINE THREAD

WIDTH ACROSS

PKG QTY.

SPAENAUR No.

SPAENAUR No.

Plain Zinc Plated Thread Plain Zinc Plated Thread FLAT THICKNESS

20 18 16 14 13 11 10

28 24 24 20 20 18 16 14 14

7/16" 1/2" 9/16" 11/16"

7/32" 17/64" 21/64" 3/8" 7/16" 35/64" 41/64" 55/64" 31/32" 1-1/16" 1-9/32" 3/4"

100 50 50 25 25 25 20 15 10

1/4

– –

SAN-1 SAN-3

– – – – – – – – –

SAN-2 SAN-4 SAN-6 SAN-8 SAN-10 SAN-12 SAN-14 SAN-16 SAN-18

CATALOG 14 CATALOG 14.13 5/16

3/8

SAN-5B SAN-5

7/16

–

SAN-7

3/4"

1/2 5/8 3/4 7/8

SAN-9B SAN-9

15/16" 1-1/8" 1-5/16" 1-1/2" 1-11/16" 1-7/8" 2-1/4"

–

SAN-11

SAN-13B SAN-13

9 8 7 7 6

–

SAN-15 SAN-17 SAN-19 SAN-21 SAN-22

1

155-430

5 5 5

1-1/8 1-1/4 1-1/2

– – –

C3

P: 1-800-265-8772 F: 1-888-252-6380 www. F: 1-888-252-6380 service@spaenaur.com © 2018 Spaenaur Inc. All rights reserved. Catalog may not be reproduced, in whole or in part, without the written permission of Spaenaur Inc. Subject to Catalog Terms and Conditions of Use available at Spaenaur.com and on page TC2 and TC3 at the back of this catalog. © 2018 Spaenaur Inc. Tous droits réservés. Le catalogue ne peut être reproduit, en tout ou en partie, sans l’autorisation écrite de Spaenaur Inc. L’utilisation est soumise aux Conditions d’utilisation du Catalogue disponibles sur Spaenaur.com et à la page TC4 et TC5 à la fin de ce catalogue. .com

7 MAY 2025