Knurled cylinder head screw with locked washer internal teeth
group nameSems Screw
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Min Order1 piece
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update timeThu, 06 Jun 2019 11:52:39 GMT
Packging & Delivery
Min Order1 piece
Briefing
Detailed
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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