Screws

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  • FASTENERS Material

FASTENERS Material

FASTENERS Material: CARBON STEEL lOW TEMPERATURE CARBON STEEL LOW ALLOY STAINLESS STEELS – DUPLEX & SUPER DUPLEX NICKEL ALLOYS ZIRCONIUM EYE BOLT EYE BOLT WITH SHOULDER EYE BOLT NO SHOULDER TURNED EYE BOLTS SCREW THREAD EYE BOLT U-BOLTS SQUARE U-BOLTS LAG BOLTS BOLTS AND NUTS SERRATED FLANGE BOLTS BUTTON HEAD BOLTS HEAVY HEX BOLTS SQUARE [...]

  • Wing Screws DIN 316 Zn

Wing Screws DIN 316 Zn

Wing Screws DIN 316 Zn Details - Material strength 4.6 - Electrogalvanized (Zn) - Metric thread - Wing screw with rounded wings Wing Screws DIN 316 Zn DIN 316-4.6 Zn M5x12 Wing screw Rounded wings zinc plated DIN 316-4.6 Zn M5x16 Wing screw Rounded wings zinc plated DIN 316-4.6 Zn M5x20 Wing screw [...]

By |March 12th, 2020|Screws, Wing Screws|Comments Off on Wing Screws DIN 316 Zn
  • DIN 84 ZN M2x10 Machine Screw

DIN 84 ZN M2x10 Machine Screw

DIN 84 ZN M2x10 Machine screw - Material strength 4.8 - electrogalvanized (Zn) - Metric thread - Slotted cheese head machine screw - DIN 84 is compatible with ISO 1207. DIN 84 ZN M2x10 Machine Screw TECHNICAL DETAILS More Information Size M2 Coating Zn Length mm 10 Material 4,8 DIN/ISO 84 Base type [...]

By |February 22nd, 2020|DoWeDo News, Fastener, Screws|Comments Off on DIN 84 ZN M2x10 Machine Screw

High Strength Fasteners

High strength fasteners are conditioned according to technical requirements. Heat treatment quenching and tempering is to improve the comprehensive mechanical properties of fasteners to meet the required tensile strength and yield strength ratio of products. Heat treatment process has a vital impact on the internal quality of high-strength fasteners, especially its internal quality. Therefore, in [...]

By |June 13th, 2019|Fastener, High Strength Bolts, Screws|Comments Off on High Strength Fasteners

Fastener Technology

Fastener Technology: Hot rolled- spheroidizing annealing- mechanical descaling- Pickling- cold drawing- cold forging- thread processing- heat treatment- Inspection. In the fabrication of fasteners, it is important to select the correct fastener materials, because the performance of fasteners is closely related to their materials. If the material selection is improper or incorrect, it may cause the [...]

By |June 7th, 2019|Fastener, Screws|Comments Off on Fastener Technology

Application of Ring Screw

Application of Ring Screw:Ring screw should be mainly used in port, shipbuilding, railway, construction, plastic machinery, industrial control, pipeline auxiliary equipment, marine rescue, Airport construction, aerospace, venues and other important industries as well as infrastructure engineering machinery and equipment. Cautions for using application of ring screw: 1. Users must be trained before they can use [...]

By |May 15th, 2019|Eye Bolts, Ring Bolts, Screws|Comments Off on Application of Ring Screw

Ring Bolts Surface Treatment

Generally, hanging ring bolts do not undergo surface treatment, but according to the requirements of use, they can be passivated by galvanizing, chromium plating and other surface treatment. Ring Bolts Surface Treatment Dehydrogenation should be carried out immediately after galvanizing. As a standard fastener, ring bolt is widely used in mechanical and electrical products. Its [...]

By |May 13th, 2019|Eye Bolts, Ring Bolts, Screws|Comments Off on Ring Bolts Surface Treatment

Quality Inspection of Screws

There are two types of screw surface inspections, one is the inspection before the screw is produced, and the other is the inspection after the screw plating. Inspection method after screw treatment: Appearance quality requirements: The inspection of the appearance of the screws is carried out in terms of appearance, plating and other aspects. Inspection [...]

By |May 9th, 2019|Lag Screw Bolts, Screws|Comments Off on Quality Inspection of Screws