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PEM® self-clinching studs are installed by placing them in properly sized holes in the sheets and squeezing into place with any standard press. The squeezing action embeds the head of the stud into the sheet. The metal displaced by the head flows smoothly and evenly around the ribs and into the annular groove – creating a flushhead assembly and securely locking the stud into the sheet with high torque-out and pushout resistances.

FH (flush-head) studs are available in aluminum, steel, or stainless steel . They are also available unthreaded on special order.
  • Flush-head for sheet thickness of .040” and greater.
  • Type FH is recommended for use in steel or aluminum sheets HRB (Rockwell “B” Scale) 80 or less and HB (Hardness Brinell) 150 or less.
  • Type FHS is recommended for use in steel or aluminum sheets HRB (Rockwell “B” Scale) 70 or less and HB (Hardness Brinell) 125 or less.
  • Type FHA is recommended for use in aluminum sheets HRB (Rockwell “B” Scale) 50 or less and HB (Hardness Brinell) 82 or less.
Flush Head Unthreaded Studs - Types FH, FHS, FHA
Self-Clinching Pins - Type FH, FHS, FHA 2
Unit of Measure
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Part #

Hole Size in Sheet + .003 - .000

P - Nominal Pin Diameter ± .002

L - Length ± .015

H ± .015

Fastener Material

Standard Finish

Optional Finish

CAD

FHA-167-14 N/A .189 in N/A .167 in N/A .875 in N/A .260 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-173-14 N/A .197 in N/A .173 in N/A .875 in N/A .260 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-207-14 N/A .236 in N/A .207 in N/A .875 in N/A .320 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-215-14 N/A .250 in N/A .215 in N/A .875 in N/A .340 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-223-14 N/A .250 in N/A .223 in N/A .875 in N/A .340 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-273-14 N/A .312 in N/A .273 in N/A .875 in N/A .380 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-281-14 N/A .312 in N/A .281 in N/A .875 in N/A .380 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-106-16 N/A .125 in N/A .106 in N/A 1.00 in N/A .190 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-116-16 N/A .137 in N/A .116 in N/A 1.00 in N/A .210 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-120-16 N/A .137 in N/A .120 in N/A 1.00 in N/A .210 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-137-16 N/A .157 in N/A .137 in N/A 1.00 in N/A .230 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-141-16 N/A .163 in N/A .141 in N/A 1.00 in N/A .240 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-160-16 N/A .189 in N/A .160 in N/A 1.00 in N/A .260 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-167-16 N/A .189 in N/A .167 in N/A 1.00 in N/A .260 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-173-16 N/A .197 in N/A .173 in N/A 1.00 in N/A .260 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-207-16 N/A .236 in N/A .207 in N/A 1.00 in N/A .320 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-215-16 N/A .250 in N/A .215 in N/A 1.00 in N/A .340 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-223-16 N/A .250 in N/A .223 in N/A 1.00 in N/A .340 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-273-16 N/A .312 in N/A .273 in N/A 1.00 in N/A .380 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-281-16 N/A .312 in N/A .281 in N/A 1.00 in N/A .380 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-106-20 N/A .125 in N/A .106 in N/A 1.25 in N/A .190 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-116-20 N/A .137 in N/A .116 in N/A 1.25 in N/A .210 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-120-20 N/A .137 in N/A .120 in N/A 1.25 in N/A .210 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-137-20 N/A .157 in N/A .137 in N/A 1.25 in N/A .230 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
FHA-141-20 N/A .163 in N/A .141 in N/A 1.25 in N/A .240 in N/A Aluminum (Plain Finish) N/A No Finish N/A N/A
Unit of Measure
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