What is a flat head cap screw?

What is a flat head cap screw?

Socket cap screws are commonly used in machine parts, die fixturing, and clamping. The flat socket head enables driving where there is not sufficient space for wrenches or sockets, and allows the screw head to sit flush with the surface.

Do socket head cap screws have grades?

Socket head cap screws are not grade designated as are hex head cap screws.

What degree is a flat head screw?

82 degrees
Flat Head (82 degrees) – Standard countersunk flat head screw. Allows for flat, smooth surface after installation. Flat Head (Metric) – Metric flat heads screws come standard with a 90 degree head angle.

What grade are button head cap screws?

Socket Button Head Screws described in the USA as socket button head cap screws SBHCS, are heat-treated to give a material strength grade of 10.9 for global markets.

Which is the best type of cap screw?

A cap screw is a screw that has a thick wide head and a flat bottom toward the thread facing site. The head head cap screw is the most common cap screw and is also the most common fastener in construction and machine assembly. Our cap screws can be customized to your application and industry.

How big are flat socket head cap screws?

Inch Series Flat Socket Head Cap Screws (continued) Standard Length Increments Nominal Screw Diameter Nominal Screw Length Standard Length Increment. #2 through 1 inch 1/8 to 1/4 1/16 1/4 to 1 inch 1/8 1 inch to 3 1/2 inches 1/4 3 ½ to 7 inches 1/2 Over 7 inches long 1 inch.

What are the abbreviations for hex head cap screws?

Fastener Training Hex Head Cap Screw Hex Nuts Flat Washers Presented by Kevin Connolly Applications Engineer [email protected] Fastener Terms and Abbreviations Below are three ways of describing the same fastener: 1. 1/4 –20 UNC Class 2A x 1 Hex Head Cap Screw per ASME B18.2.1, Grade 5 per SAE J429, Zinc/Clear plated per ASTM B633 2.

Are there flat head cap screws at McMaster Carr?

Flat Head Cap Screws | McMaster-Carr Choose from our selection of flat head cap screws in a wide range of styles and sizes. In stock and ready to ship.

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