A standard inch socket head cap screw is 20% stronger than Grade 8 hex cap screws and 50% stronger than Grade 5 hex cap screws. Metric socket head cap screws are designated by classes - Class 8.8, Class 10.9 & Class 12.9.
What is the hardness of a socket head cap screw?
Product Size Hardness, HRC Tensile Strength, ksi
--------------------- ------------- ---------------------
0.625 inch and larger 37 to 45 170
What grade are black socket head cap screws?
What grade are socket head cap screws? Socket Cap Screws from Albany County Fasteners come in stainless steel grades 304 (with or without Black Oxide) and 316, but are also available in Chrome Plated alloy steel.
Which socket cap screw is the strongest?
A standard inch series socket head cap screw is 20% stronger than a Grade 8 hex head cap screw and 50% stronger than a Grade 5 hex cap screw. The tensile strength is a minimum 180,000 psi for sizes 1 ?
Are socket head cap screws stronger than Grade 8?
Socket head cap screws are not grade designated as are hex head cap screws. A standard inch series socket head cap screw is 20% stronger than a Grade 8 hex head cap screw and 50% stronger than a Grade 5 hex cap screw.
What is the grade of a socket head cap screw?
Typical bolts are supplied as grade 5.8, 8.8, or 10.9. Socket cap screws are often available in grade 12.9, meaning it has a UTS of 1200 MPa and will yield at 90% of this (1080 MPa).Jan 27, 2020
How do you figure out screw size?
To measure the diameter of screws and bolts, you measure the distance from the outer thread on one side to the outer thread on the other side. This is called the major diameter and will usually be the proper size of the bolt.
How are hex cap screws measured?
Hex, pan, truss, button, socket cap, and round head screws are measured from right under the head to the end of the threads. Flat head screws are measured from the top of the head to the tip of the threads. Oval head screws are measured from the beginning of the undercut on the head to the tip of the threads.
What number is 3/8 inch screw?
A 3/8"-16 screw is a machine screw, the "3/8" is the diameter and the "16" is the number of threads per inch. This screw will thread into a nut or threaded hole.Dec 6, 2018
What grade are black socket head bolts?
Hex Head Cap Screws are designed for easy assembly into a tapped hole. Hex Cap Screws meet SAE specifications with a specially designed washer face under the head and a chamfered point. Grade 5 is the most common grade used in manufacturing assembly.