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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 0.025”.
  • Recommended for use in sheets HRB (Rockwell “B” scale) 70 or less and HB (Hardness Brinell) 125 or less.
Type SMPP self-clinching nuts are for installation into ultra-thin sheets.
  • Installs into stainless steel sheets as thin as 0.025”.
  • Corrosion resistance similar to 300 series stainless steel.
  • Reduced outer dimensions and thinner sheet capabilities compared to type SP thread sizes.
  • Recommended for use in stainless steel sheets HRB 90/HB 192 or less.
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Item #

Item Name

Thread Size

A (Shank) Max.

Hole Size in Sheet + .003 - .000

C Max.

E ± 0.010

Fastener Material

Standard Finish

Inventory

SMPS-256 N/A Nuts for Ultra-Thin Sheets - Type SMPS - Unified N/A 0.086-56 (#2-56) N/A 0.024 in N/A 0.136 in N/A 0.135 in N/A 0.22 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A {0}
SMPS-440 N/A Nuts for Ultra-Thin Sheets - Type SMPS - Unified N/A 0.112-40 (#4-40) N/A 0.024 in N/A 0.166 in N/A 0.165 in N/A 0.22 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A {0}
SMPS-632 N/A Nuts for Ultra-Thin Sheets - Type SMPS - Unified N/A 0.138-32 (#6-32) N/A 0.024 in N/A 0.187 in N/A 0.186 in N/A 0.252 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A {0}
SMPP-256 N/A Nuts for Ultra-Thin Sheets - Type SMPP - Unified N/A 0.086-56 (#2-56) N/A 0.024 in N/A 0.136 in N/A 0.135 in N/A 0.22 in N/A Age hardened A286 stainless steel (non-magnetic) N/A Passivated and/or tested per ASTM A380 N/A {0}
SMPP-440 N/A Nuts for Ultra-Thin Sheets - Type SMPP - Unified N/A 0.112-40 (#4-40) N/A 0.024 in N/A 0.166 in N/A 0.165 in N/A 0.22 in N/A Age hardened A286 stainless steel (non-magnetic) N/A Passivated and/or tested per ASTM A380 N/A {0}
SMPP-632 N/A Nuts for Ultra-Thin Sheets - Type SMPP - Unified N/A 0.138-32 (#6-32) N/A 0.024 in N/A 0.187 in N/A 0.186 in N/A 0.252 in N/A Age hardened A286 stainless steel (non-magnetic) N/A Passivated and/or tested per ASTM A380 N/A {0}
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