Poly Vinyl Chloride Knurled Cap Stainless Steel Sems Screws With Captive Washer A2 A4

Poly Vinyl Chloride Knurled Cap Stainless Steel Sems Screws With Captive Washer A2 A4

1. Descriptions:

Screw assemblies, referred to as SEMS, have a free-spinning washer or washers permanently attached under the screw head. SEMS save time during assembly and afford the same benefits as non-attached washers such as distributing load, acting as a spacer, reducing vibration and acting as a protective barrier.

SEMS screws combine two separate parts into one pre-assembled, low cost fastener. With washers under the head, SEMS screws are fast, permanent, and easily adaptable to many applications.SEMS screws provide design and manufacturing efficiencies by combining multiple parts, captive washer and screw, into one versatile fastener. The style of lockwasher or combination of assembled parts can provide bottom line savings for production. One part to inventory, track and assemble. In addition, to the more standard series shown below, specials with cables, or even electrical assemblies can be fashioned.

3. Applications:

Pre-assembled SEMS screws, sometimes known as combi screws, combine a screw with one or more free spinning captive washers. With our large stock and our extended ranges, there are literally hundreds of SEMS screw combinations to choose from, including:

• Thread Types – Machine Screw; Self Tapping; Thread Cutting; Thread Forming; HI LO
• Drive Types – Pozi; Phillips; Slotted; Combi; 6 Lobe; Hex; Other
• Washer Types – Flat; Spring; Square; Conical; Internal Tooth; External; Single or Double
• Head Types – Hexagon; Pan; Socket Cap/Button; Round; Cheese

4. Material Data:

5. More pictures:

Stainless Steel Socket Head Knurled Cap Sems Screw Bolt With Flat And Spring Washer

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Suzhou Crever Fastener Co.,Ltd.is a production enterprise combining research,manufacturing and sales together.We possess polished equipment,solid techniques and complete quality system. We have been in this line for more than 20 years, every month we can ship more than 20 containers to the world market.

　　We can provide you with products according to GB,JIS,ANSL,DIN,BS,ISO and other standards, we can also customize products.With advanced techniques and full specifications, our products are popular both at home and abroad.

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