A2 bolts with head knurled M8 M10 Socket cap screws stainless steel hex head bolts DIN912 machine screw
group nameSems Screw
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Min Order1 piece
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update timeThu, 06 Jun 2019 14:49:25 GMT
Packging & Delivery
Min Order1 piece
Briefing
Detailed
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Place of Origin : China |
Material : Carbon Steel, Brass, Stainless steel, Steel, Alloy Steel, Aluminum, titanium, and as per customer's request |
Heat treating & Surface treatment : Tempering,Hardening,Spheroidizing,Stress Relieving. |
Surface : Zinc Plated, Zinc Yellow, Geomet, JS 500, E-Coating, Hot Dipped Galvanized, Nickle, Brass, Dacromet, Black Oxide, Black Phosphate, and as per customer's request |
Standard : ASTM, ANSI, AISI, DIN, ISO, IFI, JIS and Non-standard |
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Size : Customized |
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Certificate : ISO 9001:2015 |
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Quality : Top high quality |
Sample : Free |
Packaging : Bulk in cartons (25kg Max.) or as your packaging requirements |
Payment terms : T/T,FOB, CIF, CFR, L/C, or others |
Notes : Special specifications and marks can be made according to customer’s requirements |
SEMS(TAPPING) SCREW
SEMS combines two normally seperate parts-typically a screw and a washer- into one permanently pre-assembled cost saving component. Washers are hel in place under the screw head by the rolled threads; they will not fall off and are free to rotate
* Speeds: production by eliminating hand assembly at the work station
* Permanent: Capturing of washer insures that it will never come off or be left off your assembly
* Adapts easily to automated feeding devices and driving tools
* Available in any combination of screw type, head style, washer and thread configuration
* Production Range: M2.5 (#2) ~ M 12 ~ (1/2". Length: 4mm (5/32") ~ 160mm (6")
* ISO 9001 certificated manufacturer & exporter
Coarse threaded Screws with captive curved spring lock washer DIN6900
Examples of screw and washer assemblies
Figure 1. Assembly with screw threaded approximately up to the head
Figure 2. Assembly with screw unthreaded portion of shank
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