Spaenaur

B
Hexagon Cap Screws
Boulons de précision hexagonaux
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.
COARSE
THREAD
UNIFIED STANDARD
CLASS 2A FIT
SAE
GRADE
2
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/ANSI B18.2.1
COARSE THREAD (U.N.C.) (U.S.S.)
DIA. 1/4" 5/16" 3/8" 7/16" 1/2" 9/16"
THD. 20 18 16 14 13 12
LG. ▼
ORDER BY SPAENAUR NUMBERS LISTED BELOW
3/8
1/2 B-42 B-49 B-56
5/8 B-43 CS-9
Inch
Pouces
3/4 B-44 B-50 B-57 B-66 B-72
7/8 B-58
1 B-45 B-51 B-59 B-67 B-73 S-51
1-1/4 B-46 B-52 B-60 B-68 B-74
1-1/2 B-47 B-53 B-61 B-69 B-75 B-80
1-3/4 B-54 B-62 S-48 B-76 S-52
2 B-48 B-55 B-63 B-70 B-77 B-81
2-1/4 S-75 S-8 S-49 S-50 S-53
2-1/2 S-4 S-6 B-64 B-71 B-78 S-12
2-3/4 CS-13 B-79
3 S-5 S-7 B-65 S-9 S-11 S-54
3-1/4 CS-3
3-1/2 S-58 325-026
4 S-71 S-65 S-60 S-10 S-57 S-59
4-1/2
5 325-016 CS-5
6 325-027
UNIT PACKAGE 25
325-029
6-1/2
7 S-66
7-1/2
8
PRICED SINGLY
UNIT PACKAGE
50
UNIT PKG.
20
DIA. 5/8" 3/4" 7/8" 1" 1-1/8" 1-1/4"
THD. 11 10 9 8 7 7
LG.▼ ORDER BY SPAENAUR NUMBERS LISTED BELOW
3/4
7/8
UNIT PACKAGE 25 UNIT PACKAGE 20
1 B-82 S-56
1-1/4
1-1/2 B-83 325-010
1-3/4 B-84 325-011 325-012
2 B-85 B-88 325-013
2-1/4 CS-11 325-014 325-015
2-1/2 B-86 B-89 CS-8 325-005 325-001
2-3/4
3 B-87 B-90 325-006
3-1/4
UNIT PKG. 15
3-1/2 325-003 325-025 325-004 325-007
4 S-55 S-61 325-019 325-008
4-1/2 325-002 325-017 325-009 325-024
5 325-018 325-020 325-022
6 S-62 325-028 S-68 325-021
6-1/2
7 CS-2 325-023
7-1/2
8 S-39 S-69
9
10
11 S-70
12
PRICED SINGLY
CATALOG 13
B162