TRILOBE SCREW – HEX WASHER HEAD
Thread Type : Tribular thread rolling screw. As each lobe of the screw moves through the pilot hole in the nut material,it forms and work-hardens the nut thread metal, producing an uninterrupted flow.
More Introduction : The Trilobe Screw: A Self-Locking and Self-Tapping Solution
| CODE | SPEC (DIA) | SPEC (LENGTH) | WIDTH ACROSS FLATS | HEAD HEIGHT | WASHER DIA | DRIVE | MATERIAL | FINISHING |
| STTRIHW | #4 | 1/4″ / 5/16″ / 3/8″ / 1/2″ | 0.181-0.188 | 0.049-0.060 | 0.225-0.243 | hex | Steel / Stainless Steel | Zinc Clear Trivalent Cr3+ / Passivated |
| STTRIHW | #6 | 1/4″ / 1/2″ / 5/8″ / 3/4″ | 0.244-0.250 | 0.080-0.093 | 0.302-0.328 | hex | ||
| STTRIHW | #8 | 1/4″ / 1/2″ / 5/8″ / 3/4″ / 1″ | 0.244-0.250 | 0.096-0.110 | 0.322-0.348 | hex | ||
| STTRIHW | #10 | 3/8″ / 1/2″ / 5/8″ / 3/4″ / 1″ | 0.305-0.312 | 0.105-0.120 | 0.384-0.414 | hex | ||
| STTRIHW | #12 | 3/8″ / 1/2″ / 5/8″ / 3/4″ / 1″ | 0.305-0.312 | 0.139-0.155 | 0.398-0.432 | hex | ||
| STTRIHW | #14 | 1/2″ / 5/8″ / 3/4″ / 1″ / 1-1/4″ | 0.367-0.375 | 0.172-0.190 | 0.480-0.520 | hex | ||
| STTRIHW | M4 | 6/8/10/12/14/16/20/25/30/35/40 | 7.0 | 3.6 | 9.3-9.5 | hex | Steel / Stainless Steel | Zinc Clear Trivalent Cr3+ / Passivated |
| STTRIHW | M5 | 6/8/10/12/14/16/20/25/30/35/40 | 8.0 | 4.6 | 11.0-11.2 | hex | ||
| STTRIHW | M6 | 6/8/10/12/14/16/20/25/30/35/40 | 10.0 | 5.6 | 13.0-13.2 | hex |