Detail & Specs
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M4X0.7 Hex Phillips SEMS Screw + Flat/Lock Washer Class 4.6 Steel, Zinc/span>
Flat Washer Dimensions: Outer Diameter 8mm / Thickness 0.5mm
Lock Washer Dimension Outer Diameter 7mm
These SEMS screws have an indented hex head with a recessed phillips drive and a set of captive (permanently attached) washers: one lock washer and one flat washer. Length is measured from underneath the head, including the washers.
SEMS Screw Benefits:
- Saving time by eliminating assembly of individual components
- Easier to service and disassemble difficult-to-reach parts
- Reducing loss of loose parts during assembly which decreases product failure rates and benefits inventory control.
- Compatibility with automated production equipment.
Finish: Zinc plated
SEMS Design (Assembly Type Screws):
The washers on this SEMS screw are free spinning. Underneath the head is a helical split lock washer, beneath the lock washer is a flat washer. This double washer screw is common in the electronics industry but can be used in automotive, energy, agriculture, etc.
Also known as Cross Recessed Hexagon Head Bolt with captivated washer, phillips drive hex head SEMS screw.
