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Cap Screws

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Socket Head Cap Screws, Stainless Steel




  • 4-40, M3 x 0.5, 8-32, M4 x 0.7, 1/4"-20, and M6 x 1.0 Socket Head Cap Screws
  • #8 (M4) to 1/4" (M6) Counterbore Adapters
  • 1/4" and #8 Washers

Features

  • 4-40, M3 x 0.5, 8-32, M4 x 0.7, 1/4"-20, and M6 x 1.0 Socket Head Cap Screws
  • Stainless or Alloy Steel Construction
  • #8 (M4) to 1/4" (M6) Counterbore Adapters Also Available
  • Ideal for Replenishing our Hardware Kits

Cap screws are an essential part of any lab setup. On this page, Thorlabs offers screws and washers in many popular sizes. We also offer setscrews and thumbscrews, low-profile screws, screw kits, and balldrivers / hex keys.


4-40 Stainless Steel Cap Screws

Item #LengthHexMaterialQuantity
SH4S019 3/16" 3/32" 18-8 Stainless Steel 50
SH4S025 1/4" 50
SH4S031 5/16" 50
SH4S038 3/8" 50

 

We also offer the HW-KIT5 4-40 cap screw kit.

 

M3 x 0.5 Stainless Steel and Alloy Steel Cap Screws

Item #LengthHexMaterialQuantity
SH3M5 5 mm 2.5 mm 18-8 Stainless Steel 50
SH3M06 6 mm Grade 8 Alloy Steel
with Black Oxide Coating
50
SH3M8 8 mm 50
SH3M10 10 mm 50

We also offer the HW-KIT5/M M3 cap screw kit.

 

8-32 Stainless Steel Cap Screws

Item #LengthHexMaterialQuantity
SH8S025 1/4" 9/64" 18-8 Stainless Steel 50
SH8S038 3/8" 50
SH8S050 1/2" 50
SH8S075 3/4" 50
SH8S100 1" 50
W8S038 #8 Washer (M4 Compatible) 100

We also offer the HW-KIT1 8-32 cap screw kit.

 

M4 x 0.7 Stainless Steel Cap Screws

Item #LengthHexMaterialQuantity
SH4MS06 6 mm 3 mm 18-8 Stainless Steel 50
SH4MS10 10 mm 50
SH4MS12 12 mm 50
SH4MS20 20 mm 50
SH4MS25 25 mm 50
W8S038 #8 Washer (M4 Compatible) 100

We also offer the HW-KIT1/M M4 cap screw kit.

 

1/4"-20 Stainless Steel Cap Screws

Item #LengthHexMaterialQuantity
SH25S038 3/8" 3/16" 18-8 Stainless Steel 25
SH25S063 5/8" 25
SH25S075 3/4" 25
SH25S100 1" 25
W25S050 1/4" Washer (M6 Compatible) 100

We also offer the HW-KIT2 1/4"-20 cap screw kit.

 

M6 x 1.0 Stainless Steel Cap Screws

Item #LengthHexMaterialQuantity
SH6MS10 10 mm 5 mm 18-8 Stainless Steel 25
SH6MS12 12 mm 25
SH6MS16 16 mm 25
SH6MS20 20 mm 25
SH6MS25 25 mm 25
W25S050 1/4" Washer (M6 Compatible) 100

We also offer the HW-KIT2/M M6 cap screw kit.

 

Socket Screw Adapters

 

  • Use a #8 or M4 Cap Screw in a 1/4" or M6 Counterbore
  • Package of 10 Adapters

The SD1 stainless steel adapter ring allows an 8-32 or M4 cap screw to be used within the 1/4" or M6 counterbores found on many optomechanical components.

 


SD1 Adapter Ring in RC1 Rail Carrier
SD1 Adapter Ring in the Counterbore of an RC1 Dovetail Rail Carrier

 

ABOUT US

Our Mission is to accelerate the advancement of optical technology for precision measurements and their applications from the table tops of research laboratories to standard use in communication and high technology industries. Our aim is to serve our customers. Our hope is to create a place for highly skilled people in an open environment

contact us

Tel               +966 35823441
Fax               +966 35823441
Egypt Mobile  +2 0120 7577664
KSA Mobile     +966 545 991188
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