Self-grounding standoffs are purpose-built for applications where printed circuit boards need to be securely grounded to steel or aluminum chassis. These standoffs are designed with projecting teeth that establish a reliable electrical connection with the circuitry on the board. This eliminates the necessity for additional hardware like serrated or star washers.

These industrial fasteners are available through OneMonroe Fasteners and can be obtained with quick delivery times. They are a practical solution for ensuring electrical conductivity and grounding in situations where circuit boards must be firmly and securely connected to metal chassis.

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Hole Diameter

Min. Dist to Edge

Item #

Item Name

Thread

Material

Length

Finish

Hole Diameter

Min Material Thickness

Min. Dist to Edge

Barrel Outer Diameter

N/A SOG644004A - 4-40 Grounding Standoffs N/A 4-40 N/A Aluminum N/A 0.125 +.002/-.005 in (+0.05/-.13 mm) N/A None N/A 0.213 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.27 N/A 0.212
N/A SOG644004C - 4-40 Grounding Standoffs N/A 4-40 N/A Stainless Steel N/A 0.125 +.002/-.005 in (+0.05/-.13 mm) N/A Passivated N/A 0.213 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.27 N/A 0.212
N/A SOG644006A - 4-40 Grounding Standoffs N/A 4-40 N/A Aluminum N/A 0.187 +.002/-.005 in (+0.05/-.13 mm) N/A None N/A 0.213 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.27 N/A 0.212
N/A SOG644006C - 4-40 Grounding Standoffs N/A 4-40 N/A Stainless Steel N/A 0.187 +.002/-.005 in (+0.05/-.13 mm) N/A Passivated N/A 0.213 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.27 N/A 0.212
N/A SOG644008A - 4-40 Grounding Standoffs N/A 4-40 N/A Aluminum N/A 0.25 +.002/-.005 in (+0.05/-.13 mm) N/A None N/A 0.213 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.27 N/A 0.212
N/A SOG644008C - 4-40 Grounding Standoffs N/A 4-40 N/A Stainless Steel N/A 0.25 +.002/-.005 in (+0.05/-.13 mm) N/A Passivated N/A 0.213 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.27 N/A 0.212
N/A SOG644010A - 4-40 Grounding Standoffs N/A 4-40 N/A Aluminum N/A 0.312 +.002/-.005 in (+0.05/-.13 mm) N/A None N/A 0.213 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.27 N/A 0.212
N/A SOG644010C - 4-40 Grounding Standoffs N/A 4-40 N/A Stainless Steel N/A 0.312 +.002/-.005 in (+0.05/-.13 mm) N/A Passivated N/A 0.213 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.27 N/A 0.212
N/A SOG644012A - 4-40 Grounding Standoffs N/A 4-40 N/A Aluminum N/A 0.375 +.002/-.005 in (+0.05/-.13 mm) N/A None N/A 0.213 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.27 N/A 0.212
N/A SOG644012C - 4-40 Grounding Standoffs N/A 4-40 N/A Stainless Steel N/A 0.375 +.002/-.005 in (+0.05/-.13 mm) N/A Passivated N/A 0.213 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.27 N/A 0.212
N/A SOG644014A - 4-40 Grounding Standoffs N/A 4-40 N/A Aluminum N/A 0.437 +.002/-.005 in (+0.05/-.13 mm) N/A None N/A 0.213 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.27 N/A 0.212
N/A SOG644014C - 4-40 Grounding Standoffs N/A 4-40 N/A Stainless Steel N/A 0.437 +.002/-.005 in (+0.05/-.13 mm) N/A Passivated N/A 0.213 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.27 N/A 0.212
N/A SOG644016A - 4-40 Grounding Standoffs N/A 4-40 N/A Aluminum N/A 0.5 +.002/-.005 in (+0.05/-.13 mm) N/A None N/A 0.213 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.27 N/A 0.212
N/A SOG644016C - 4-40 Grounding Standoffs N/A 4-40 N/A Stainless Steel N/A 0.5 +.002/-.005 in (+0.05/-.13 mm) N/A Passivated N/A 0.213 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.27 N/A 0.212
N/A SOG863204A - 6-32 Grounding Standoffs N/A 5-32 N/A Aluminum N/A 0.125 +.002/-.005 in (+0.05/-.13 mm) N/A None N/A 0.281 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.31 N/A 0.28
N/A SOG863204C - 6-32 Grounding Standoffs N/A 5-32 N/A Stainless Steel N/A 0.125 +.002/-.005 in (+0.05/-.13 mm) N/A Passivated N/A 0.281 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.31 N/A 0.28
N/A SOG863206A - 6-32 Grounding Standoffs N/A 5-32 N/A Aluminum N/A 0.187 +.002/-.005 in (+0.05/-.13 mm) N/A None N/A 0.281 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.31 N/A 0.28
N/A SOG863206C - 6-32 Grounding Standoffs N/A 5-32 N/A Stainless Steel N/A 0.187 +.002/-.005 in (+0.05/-.13 mm) N/A Passivated N/A 0.281 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.31 N/A 0.28
N/A SOG863208A - 6-32 Grounding Standoffs N/A 5-32 N/A Aluminum N/A 0.25 +.002/-.005 in (+0.05/-.13 mm) N/A None N/A 0.281 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.31 N/A 0.28
N/A SOG863208C - 6-32 Grounding Standoffs N/A 5-32 N/A Stainless Steel N/A 0.25 +.002/-.005 in (+0.05/-.13 mm) N/A Passivated N/A 0.281 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.31 N/A 0.28
N/A SOG863210A - 6-32 Grounding Standoffs N/A 5-32 N/A Aluminum N/A 0.312 +.002/-.005 in (+0.05/-.13 mm) N/A None N/A 0.281 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.31 N/A 0.28
N/A SOG863210C - 6-32 Grounding Standoffs N/A 5-32 N/A Stainless Steel N/A 0.312 +.002/-.005 in (+0.05/-.13 mm) N/A Passivated N/A 0.281 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.31 N/A 0.28
N/A SOG863212A - 6-32 Grounding Standoffs N/A 5-32 N/A Aluminum N/A 0.375 +.002/-.005 in (+0.05/-.13 mm) N/A None N/A 0.281 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.31 N/A 0.28
N/A SOG863212C - 6-32 Grounding Standoffs N/A 5-32 N/A Stainless Steel N/A 0.375 +.002/-.005 in (+0.05/-.13 mm) N/A Passivated N/A 0.281 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.31 N/A 0.28
N/A SOG863214A - 6-32 Grounding Standoffs N/A 5-32 N/A Aluminum N/A 0.437 +.002/-.005 in (+0.05/-.13 mm) N/A None N/A 0.281 +.003in (.08mm)/-.000 N/A 0.04 N/A 0.31 N/A 0.28
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