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Part # SMPS-440, Nuts for Ultra-Thin Sheets - Type SMPS - Unified
Type SMPS self-clinching nuts are for installation into ultra-thin sheets. They feature a lower profile and can be mounted closer to the edge of a sheet than other self-
clinching nuts.
• Installs into sheets as thin as .025”
• Recommended for use in sheets HRB (Rockwell “B” scale) 70 or less and HB (Hardness Brinell) 125 or less.
SPECIFICATIONS
Thread Size
.112-40 (#4-40)
Thread Code
440
A (Shank) Max.
.024 in
Min. Sheet Thickness
.025 in
Hole Size in Sheet + .003 - .000
.166 in
C Max.
.165 in
E ± .010
.220 in
T ± .010
.065 in
Min. Dist. Hole C/L to Edge
.170 in
For Use in Sheet Hardness
HRB 70 / HB 125 or Less
Thread Specification
Internal, ASME B1.1, 2B
Fastener Material
300 Series Stainless Steel
9/22/2013 | Page 1 of 2