Head

Flat、Pan、Truss、Hex、Wafer、Buttom、Bugle
Other special head

Assembled: EPDM bonded washer, PVC washer, EPDM washer, Neo washer 

Painted head by liquid and powder

Size

M3.5 X 13 – M6.3X 240

Recess

Phillip、Pozi、Torx

Surface

Grey、Black Phosphated、
Zinc Cr3 or Cr6、
Yellow Zinc Cr3 or Cr6、
Ruspert、nano-coating、magsow、 Other special coating

Drill point

#2、#3、#4、#5、#6 

Thread

Shank slotted

Package

Bulk, neutral box, colored box, plastic box…based on the request