Cross Large Flat Head Compound Groove Stainless Steel Screw Wholesale

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Cross Large Flat Head Compound Groove Stainless Steel Screw

Cross Large Flat Head Compound Groove Stainless Steel Screw
The large flat head composite groove stainless steel screw refers to the large flat head type, the stainless iron screw with the composite groove structure. It uses a kind of hardenable 410 stainless iron material. The typical grade is Cr13, such as 2Cr13, 3Cr13, 4Cr13, etc. Its hardness after quenching is relatively high, and different tempering temperatures have different strength and toughness combinations. It is mainly used for steam turbine blades, tableware, surgical instruments, etc.

Specification

 2.2-14

Length

 3-180mm

Material

 410 stainless iron

Head type

 big flat head

Thread type

 self-tapping

Groove type

 Composite groove

Tensile strength

 ≥500Mpa

Rockwell hardness

 155-220HV

Brinell hardness

 147-209HB

Surface treatment

 true color

PTODUCT DESCRIPTION
Ningbo Risheng Fastener Co., Ltd.
About
Ningbo Risheng Fastener Co., Ltd.
Ningbo Risheng Fastener Co., Ltd.

As China Cross Large Flat Head Compound Groove Stainless Steel Screw Suppliers and Wholesale Cross Large Flat Head Compound Groove Stainless Steel Screw Manufacturers, Ningbo Risheng Fastener Co., Ltd. is a veteran fastener manufacturer founded in 1984, which can produce various types of self-tapping screws, machine screws, combination screws, triangle screws, stainless steel screws, hexagonal screws, anti-theft screws, and non-standard fasteners according to GB, JS ANSI, DIN, ISO, and other standards. in line with European ROHS environmental requirements.

At present, the company has nearly 22,000 square meters of R&D and production base, including a CNC machining center, mesh belt quenching furnace/tempering furnace high-speed cold block machine, combination screw washer, high-speed precision rolling machine, automatic tail collider, high-precision forming machine, four-mode four-power position machine and other production equipment. And projectors, torsion machine, tension machine, salt spray testing machine, screw screening machine, metallographic inlaying machine, Rockwell hardness machine, and other testing equipment.

Certificate Of Honor
  • Certification
  • Technology Innovation Award
  • Certification
  • Independent innovation and outstanding new products in the fastener industry 2019
  • Independent innovation and outstanding new products in the fastener industry 2018
  • Safety production standardization level three enterprise
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