An ideal chain for woodcutters who frequently work in dusty,dirty conditions.
*Round-cornered "semi-chisel"cutters work fast and are more tolerant of sharpening errors (typically) than most cutter types
*Ramp-shaped depth guages help reduce kickback without the weight or bulk of bumper drive links or tie straps
*Lubrilink tie straps help keep oil where it is needed -on the chain
Our products'performance compared with Oregon and Stihl
Specifications | test for tensile strength | ||
| OREGON | STIHL | LONGER |
3/8 .050 | 5650-5850 | 5655-5790 | 5600-5850 |
.325 .050 | 7400-7560 | 7410-7570 | 7280-7460 |
3/8 .058 | 7650-7800 | 7650-7900 | 7580-7730 |
.404 .063 | 10560-10780 | 10565-10800 | 10460-10630 |
Cutter hardness
HRC | hard chromium plating | |||
Times | STIHL | OREGON | LONGER | LONGER |
1 | 54.56 | 56.09 | 53.54 | 64 |
2 | 54.98 | 56.94 | 53.76 | 63.52 |
3 | 55.22 | 56.51 | 53.91 | 63.27 |
4 | 54.73 | 56.49 | 53.87 | 63.87 |
our raw material is SAE8660, being imported from America ,which shares the same brand number with OREGON.
Our heattreatment process is made in a Taiwan-funded enterprises,king kwang heat-treatment plant.