Socket Set Screw Cup Point UNC/UNF – Imperial

Socket Set Screws

UNC/UNF

Cup Point

S333 – UNC/UNF Bare Steel

ANSI/ASME B18.3

2003

producttech-S333
Diameter – UNC 0-80 4-40 6-32 8-32 10-24 1/4-20 5/16-18 3/8-16 7/16-14 1/2-13 5/8-11 3/4-10 7/8-9
Diameter Code 000 004 006 008 010 014 016 018 020 024 026 028 030
t min. .050 .070 .080 .090 .100 .125 .126 .188 .219 .250 .312 .454 .500
s 1/16 5/64 3/32 1/8 5/32 3/16 7/32 1/4 5/16 3/8 1/2
.028 .050 .062 .078 .094 .125 .156 .188 .219 .250 .312 .375 .500
Proof Torque min. (in-lb) 1.1 6.0 11 23 40 94 183 317 502 750 1460 2520 5750
Length Code Pkg.
3/32 0009 100
1/8 0013 100 100
3/16 0019 100 100 100 100
1/4 0025 100 100 100 100 100 100 100
5/16 0031 100 100 100 100 100 100
3/8 0038 100 100 100 100 100 100 100
1/2 0050 100 100 100 100 100 100 100 100 100 50
5/8 0063 100 100 100 100 100 100 100 100 50
3/4 0075 100 100 100 100 100 100 100 100 50 50
7/8 0088 100
1 0100 100 100 100 100 100 100 100 100 50 50 25
1-1/4 0125 100 100 100 100 50
1-1/2 0150 100 100 100 100 50
2 0200 100 50 50 25
2-1/2 0250 50
3 0300 100 50 50 10
Order Number -> 1/4 x 1 UNC= S333-014-0100 (Diameter Code x Length Code)
Diameter – UNF #10-32 1/4-28 5/16-24 3/8-24 7/16-20 1/2-20 5/-18 3/4-16
Diameter Code 010 014 016 018 020 024 026 028
t min. .100 .125 .156 .188 .219 .250 .312 .454
s 3/32 1/8 5/32 3/16 7/32 1/4 5/16 3/8
.094 .125 .156 .188 .219 .250 .312 .375
Proof Torque min. (in-lb) 40 94 183 317 502 750 1460 2520
Length Code Pkg.
3/16 0019 100 100
1/4 0025 100 100
5/16 0031 100 100 100 100
3/8 0038 100 100 100 100 100
1/2 0050 100 100 100 100 100 50
5/8 0063 100 100 100 100
3/4 0075 100 100 100 100 50
1 0100 100 100 100 100 50
Order Number -> 1/4 x 1 UNF = S333-014-0100-F (Diameter Code x Length Code)(Fine Thread add -F)
Property Class 45H
Hardness (HRC) 45-53