
Chinese New Year Holiday
Chines New Year Holiday As the Chinese New Year is approaching, we are very grateful to all our customers who supported us in 2020. Thank


black wood screws
What is black wood screws, and Why should screws be blackened? Blackening is to prevent rust. Screws are not only the blackened surface treatment but


Grade 8 nuts need heat treatment?
Grade 8 nuts need heat treatment? First of all, it is necessary to distinguish between DIN934 and ISO4032. ISO4032 is revised on the standard of


Construction fasteners
Construction fasteners Construction fasteners are those that are used in the construction business. These fasteners include thousands of variety of screws, nuts, bolts, pins, and


High tensile bolts
High tensile bolts High tensile bolts made of high-strength steel, or bolts that require greater pre-tightening force, can be called high-strength bolts. High-strength bolts are


m12 bolt
m12 bolt m12 bolt is a screw whose major diameter ( nominal diameter) is 12mm. the M means metric thread, often used with m12 hexagon


DIN 934 ISO 4032
DIN 934 ISO 4032 hexagon ful lnuts demensions and mechanical properties according to DIN 267-4 and ISO 898-2 , class 6, class 8, class 10.