10-14X2 1.2 Unslotted HI-Hex washer shoulder Pole Grip HI-LO Type 17 Full Thread 1,000hr Salt Spray (Pack Qty 1,500) BC-1040HHWS17HC

An externally threaded steel fastener with an integrally formed hex washer head screw whole head is 10-20% higher than a standard hex washer head. The thread pattern has a double lead, consisting of a high and low thread. The lower thread diameter is approximately 80% that of the higher thread. There is a chip cavity cut out of the final several threads, ending with a tip that has a piercing point. Beneath the head is an under-thread shoulder Used to install metal roofing and siding to wood. With special coating applied to the steel screw, the fastener provides a high degree of corrosion resistance (at least 1,000 hours salt-spray rated). It can also be used in pressure-treated lumber