Cross Countersunk Head Fasteners Drilling Screws

Hand Industrial Co.,Ltd
     Hand Industrial Co., Ltd is established in 2010, and one professional manufacturer and supplier of stainless steel hardwares. Our products contains stainless steel bolts and thread studs, stainless steel machine screws,stainless steel tapping screws and self drilling screws in different material from SS 304,SS 316,SS 316L,SS 410,etc. We often make DIN. ANSI. BS. ISO. JIS standard and OEM service is available. Our products are very popular in European, Australia, North America, Mid-east, and South East Asia and some African countries.

description:


English: the SELF DRILLING SCREWS. Its execution standard GB/T 15856.1-2002. German standard DIN7504N - 1995, JIS B 1124-2003.
This screw with drilling the tail tip named as twist drill, screw during assembly to drill out the center by Confucius, and then with the aid of the nearby threaded portion on the carrier hole tapping squeeze cut out with the thread, so called the drilling and tapping screws.

 

Standard	Special Shape
Material	Steel 1022 a,410 stainless iron,Stainless steel 304
Head shapes	Round head,Flat head,Salad head,Hexagon wah company
Length	13-150
Meets/Exceeds	DIN7504
Includes	Two E-Rings

Type:

1.Cross recessed pan head drilling screws with tapping screw thread
2.Cross recessed countersunk head drilling screws with tapping screw thread 
3.Cross recessed countersunk head drilling screws with tapping screw thread 
4.Hexagon flange head drilling screws with tapping screw thread
5.Hexagon washer head drilling screws with tapping screw thread 

Features:

Carbon steel drlling screw, 1022 a, standard heat treatment of steel can be used as the drlling screw production material, heat treatment after surface hardness HV560-750, the core hardness HV240-450. The common surface treatment is easy to rust, high hardness, low cost.

Packing Information:

1.Carton Size: 25*16*25CM
2.Wooden Pallet/Case Size: 110*90*80CM
3.Color Printed Box&Cartons can be made per customers' desire.