CLINCHING SCREW – HEAVY DUTY STUDS
HFH / HFHS ALTERNATIVE ALTERNATIVE
HFH studs are for high-strength applications in sheets as thin as .050″ / 1.3 mm.
HFH studs are recommended for use in steel or aluminum sheets HRB (Rockwel “B” Scale) 85 / HB (Hardness Brinell) 165 or less; HFHS studs are recommended for use in steel or aluminum sheets HRB (Rockwell”B” Scale) 70 / HB (Hardness Brinell) 125 or less; HFHB studs are recommended for use in copper sheets HRB (Rockwel”B” Scale) 55 / HB (Hardness Brinel) 83 or less.
| CODE | SPEC (THREAD DIA) | SPEC (LENGTH) | MIN SHEET THICKNESS | HOLE SIZE | HEAD HEIGHT | MATERIAL | |
| STHFH / STHFHS / STHFHB | #10 | 0.500/0.750/1.00/1.25/1.50/1.75/2.00 | 0.050 | 0.190 | 0.300 | HFH = STEEL ; HFHS = STAINLESS STEEL ; HFHB = PHOSPHOR BRONZE | |
| STHFH / STHFHS / STHFHB | #1/4 | 0.500/0.750/1.00/1.25/1.50/1.75/2.00 | 0.060 | 0.250 | 0.380 | ||
| STHFH / STHFHS / STHFHB | #5/16 | 0.500/0.750/1.00/1.25/1.50/1.75/2.00 | 0.075 | 0.312 | 0.480 | ||
| STHFH / STHFHS / STHFHB | #3/8 | 0.750/1.00/1.25/1.50/1.75/2.00 | 0.090 | 0.375 | 0.580 | ||
| STHFH / STHFHS / STHFHB | M5 | 15/20/25/30/35/40/50 | 1.3 | 5.0 | 7.8 | ||
| STHFH / STHFHS / STHFHB | M6 | 15/20/25/30/35/40/50 | 1.5 | 6.0 | 9.4 | ||
| STHFH / STHFHS / STHFHB | M8 | 15/20/25/30/35/40/50 | 2.0 | 8.0 | 12.5 | ||
| STHFH / STHFHS / STHFHB | M10 | 15/20/25/30/35/40/50 | 2.3 | 10.0 | 15.7 | ||