Sems are machine screws and freely-rotating, captive washers manufactured as one assembly. Sems are usually used as locking screws, with the washer providing the locking action. Machine pre-assembly of these two parts may provide cost savings to the end user, especially in high-volume applications for machine screws.
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Diameter

Pitch

Coarse Fine

Length

Material

18-8 Stainless

Finish

Plain

Type of Packages

Item #

Item Name

Package Quantity

Web Price

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N/A #10-32 X 3/8 SEM PHILLIPS PAN HEAD W/ SPLIT LOCK WASHER 18-8 STAINLESS N/A 3000 $437.30 Add To Cart
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N/A #4-40 X 1 SEM PHILLIPS PAN HEAD W/ SPLIT LOCK WASHER 18-8 STAINLESS N/A 5000 $446.51 Add To Cart
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N/A #10-32 X 1/2 SEM PHILLIPS PAN HEAD W/ SPLIT LOCK WASHER 18-8 STAINLESS N/A 3000 $478.33 Add To Cart
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N/A #4-40 X 1 1/8 SEM PHILLIPS PAN HEAD W/ SPLIT LOCK WASHER 18-8 STAINLESS N/A 5000 $479.33 Add To Cart
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N/A #8-32 X 1/4 SEM PHILLIPS PAN HEAD W/ SPLIT LOCK WASHER 18-8 STAINLESS N/A 5000 $546.39 Add To Cart
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N/A #8-32 X 5/16 SEM PHILLIPS PAN HEAD W/ SPLIT LOCK WASHER 18-8 STAINLESS N/A 5000 $565.16 Add To Cart
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N/A #8-32 X 3/8 SEM PHILLIPS PAN HEAD W/ SPLIT LOCK WASHER 18-8 STAINLESS N/A 5000 $585.64 Add To Cart
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N/A #4-40 X 1/4 SEM PHILLIPS PAN HEAD W/ SPLIT LOCK WASHER 18-8 STAINLESS N/A 10000 $610.84 Add To Cart
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N/A #4-40 X 5/16 SEM PHILLIPS PAN HEAD W/ SPLIT LOCK WASHER 18-8 STAINLESS N/A 10000 $622.65 Add To Cart
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N/A #2-56 X 1/4 SEM PHILLIPS PAN HEAD W/ SPLIT LOCK WASHER 18-8 STAINLESS N/A 10000 $641.29 Add To Cart
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N/A #4-40 X 3/8 SEM PHILLIPS PAN HEAD W/ SPLIT LOCK WASHER 18-8 STAINLESS N/A 10000 $646.80 Add To Cart
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N/A #2-56 X 5/16 SEM PHILLIPS PAN HEAD W/ SPLIT LOCK WASHER 18-8 STAINLESS N/A 10000 $664.65 Add To Cart
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N/A #2-56 X 3/8 SEM PHILLIPS PAN HEAD W/ SPLIT LOCK WASHER 18-8 STAINLESS N/A 10000 $686.96 Add To Cart
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N/A #6-32 X 1/4 SEM PHILLIPS PAN HEAD W/ SPLIT LOCK WASHER 18-8 STAINLESS N/A 10000 $740.51 Add To Cart
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N/A #6-32 X 5/16 SEM PHILLIPS PAN HEAD W/ SPLIT LOCK WASHER 18-8 STAINLESS N/A 10000 $768.60 Add To Cart
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