Spaenaur

B
Inch
Pouces
FINE THREAD (U.N.F.) (S.A.E.)
DIA. 1/4" 5/16" 3/8" 7/16" 1/2" 9/16"
THD. 28 24 24 20 20 18
LG.▼ ORDER BY SPAENAUR NUMBERS LISTED BELOW
3/8
1/2 B-1 S-14
5/8 S-43 CS-10
UNIT PACKAGE
50
3/4 B-2 B-7 B-14 S-20
7/8 S-35
1 B-3 B-8 B-15 B-22 B-28
1-1/4 B-4 B-9 B-16 B-23 B-29 S-23
1-1/2 B-5 B-10 B-17 B-24 B-30 S-36
1-3/4 B-18 B-25 B-31
2 B-6 B-11 B-19 B-26 B-32 B-35
2-1/4 S-16 S-46 S-24
2-1/2 B-12 B-20 B-27 B-33 S-37
2-3/4
3 B-13 B-21 S-18 B-34 S-25
3-1/4 S-47
3-1/2 S-63 S-15 S-17 S-19 S-21 S-38
4 S-64 S-42 S-22 S-26
4-1/2 CS-12
5 CS-1
6 S-45
6-1/2
7
7-1/2
8
PRICED SINGLY
UNIT PKG.
25
UNIT PACKAGE 20
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.
FINE
THREAD
UNIFIED STANDARD
CLASS 2A FIT
DIA. 5/8" 3/4" 7/8" 1" 1-1/8" 1-1/4"
THD. 18 16 14 14 12 12
LG.▼ ORDER BY SPAENAUR NUMBERS LISTED BELOW
3/4
7/8
1
UNIT PACKAGE 25
S-27
UNIT PACKAGE 20
1-1/4
1-1/2 B-36
1-3/4
2 B-37 B-39
2-1/4 S-28
2-1/2 B-38
2-3/4
3 S-29 S-33 CS-7
3-1/4 S-30
3-1/2 S-31 CS-6
4 CS-4
4-1/2 S-32 S-34
5
6
6-1/2
7
7-1/2
8
9
10 S-72
11 S-74 S-73
12
PRICED SINGLY
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
CATALOG 13
B163
22 Nov 01