Section B

Hex Head Cap Screws Vis à tête hexagonale

Inch Pouce

COARSE THREAD (U.N.C.) (U.S.S.) DIA. 1/4" 5/16" 3/8"

C1020 LOW CARBON STEEL HEAT TREATED STRESS RELIEVED PLAIN FINISH Length shown is under head to end in inches. MINIMUM THREAD LENGTH Up to 6" long: (2D + 1/4) Twice diameter plus 1/4 inch. Over 6" long: (2D + 1/2) Twice diameter plus 1/2 inch.

7/16"

1/2"

THD.

20

18

16

14

13

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

ORDER BY SPAENAUR NUMBERS LISTED BELOW

▼

B-42

B-49 CS-9 B-50 B-51 B-52 B-53 B-54 S-75 S-6

B-56

B

B

B-44

B-57 B-58 B-59

B-66

325-A08-1M

B-45 B-46 B-47

B-67 B-68 B-69 S-48 B-70 S-49

B-73 B-74 B-75

1

1-1/4 1-1/2 1-3/4 2-1/4 2-1/2 2-3/4 3-1/4 3-1/2 2 3

325-A38-1Y 325-A18-1K

B-62 B-63

325-A20-1K 325-A17-1T

B-48

325-A15-1C

S-8

S-50 B-78 B-79

S-4

B-64

325-A19-1W

325-A21-1W

COARSE THREAD UNIFIED STANDARD CLASS 2A FIT SAE GRADE 2

S-5 CS-3

S-7

B-65

S-9

325-A16-1N

S-58 S-10

S-71

S-65

S-60

S-57

4 5 6

325-016 CS-5

325-027

325-029

S-66

7

Contact Sales Desk For Package Quantities

DIA. THD. LG. ▼ 1-1/2 1-3/4 2-1/4 2-1/2 2 1

5/8"

3/4"

7/8"

1"

1-1/8"

1-1/4"

11

10

9

8

7

7

ORDER BY SPAENAUR NUMBERS LISTED BELOW

B-82 B-83 B-84 B-85

S-56

325-010

325-011 325-012

325-013

325-A14-1Y

CS-11 B-86 B-87

325-014 325-015

The standard grade for all general applications where extreme strength is not required. Material Spec. ASTM A 307 MINIMUM TENSILE STRENGTH (PSI) Up to 1/2" dia. inclusive - 69,000 PSI Over 1/2" to 3/4" inclusive - 64,000 PSI Over 3/4" to 1-1/2" inclusive 55,000 PSI ASME B18.2.1

B-89

CS-8

325-005

325-001

325-006

3

325-A35-1X

325-003 325-025 325-004 325-007

3-1/2

S-55

S-61

325-019 325-008

4

325-002 325-017

325-009 325-024

4-1/2

325-018

325-020

325-022

5 6 7 8

S-62

325-028 S-68

325-021

CS-2

325-023

S-39

S-69 S-70

11

Contact Sales Desk For Package Quantities

CATALOG 14

For Hex Nut & Nylon Insert Locknut Assortment see Page A60

B135

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