Hex Washer Head Self Drilling Screw With Shank Solt

Haiyan Jinrun Metal Products Co., Ltd. is a Chinese screw manufacturer with its own physical factory located in Haiyan, Jiaxing, Zhejiang Province. The company produces a variety of drilling nails, including hexagonal drilling screw, hex washer head self drilling screw with shank solt, hex flange self drilling screw, pan head self drilling , flat haed self drilling screw, etc., the diameter of the product is from 3.5-6.3, the longest length is 150mm. As a kind of self drilling screw, the slotted hexagonal washers drilling tail has a very large usability, mainly because its head has a slotted, in some special use occasions, the slotted can be matched with the hexagonal wrench, making the product more tight in the steel plate.