What is an HCS bolt?
HCS means Hex Cap Screw. Abbreviation is mostly used in categories:FastenersFastener.
What does HS mean on a bolt?
SH or HS – Socket Head. TRH or TRHW – Truss Head. CB – Carriage Head. HH – Hex Head. SET – Set Screw.
What size is a 307A bolt?
These 307A grade zinc plated bolts are 5/16-18 thread and are 4″ in length with a full length thread.
What is M24 bolt size?
M24 x 100mm Hexagon Head Bolt.
What does LB stand for on a bolt?
Common Fastener Related Abbreviations
| Abbreviation | Definition |
|---|---|
| Lb | Body length on screws |
| LCS | Low Carbon steel |
| LH | Left hand thread |
| LW | Lock washer |
What is A307 thru bolt?
The ASTM A307 specification covers carbon steel bolts and studs ranging from 1/4″ through 4″ diameter. This is your everyday, run of the mill bolt specification often manufactured using A36 round bar. There are three grades A, B, and C* which denote tensile strength, configuration, and application.
What is a M16 bolt?
Metric bolts are made fractionally under their stated size, for instance an M16 bolt will have a shank diameter of typically 15.97mm. This means that a 16mm bolt will fit through a 16mm hole but to allow for misalignment between parts it is common practice to drill bolt holes slightly larger.
What does m20 bolt mean?
M10-1.0 x 20 M = This designates the fastener is a metric size. 10 = The nominal diameter in millimeters. 1.0 = The thread pitch, or distance between threads, in millimeters. 20 = The fastener’s length, in millimeters.
How do you read bolt markings?
This will vary from manufacturer to manufacturer, but is usually one, two or three characters. The markings can identify the standard to which the bolt was made. For instance, if a bolt head contains three radial lines, then it’s a Grade 5 bolt. If it contains five radial lines, then the bolt is Grade 8.
How do I identify my bolt manufacturer?
Fastener manufacturers product identification starts with the manufacturer’s symbol marked on the head, all high-grade fastener product contains the manufacturers mark along with the material grade.
What is a 12 point screw made of?
Good for high-strength fastening, these screws are made from alloy steel comparable in strength to Grade 9 steel. The head makes 12 points of contact with a wrench to handle more torque than a socket head or hex head screw. These alloy steel set screws have a thin edge that digs into hard surfaces for a secure hold.
What are metric thumb screws?
They are also known as lag bolts. These metric thumb screws are made of chemical-resistant 18-8 stainless steel. They have a raised head that makes them easy to grip. These metric thumb screws have arms that provide a flat surface to push your fingers against. Stainless steel thumb screws have excellent corrosion resistance in most environments.
What are the best metric screws for your car?
For metric thread sizes with excellent resistance to chemicals and salt water, choose these 316 stainless steel shoulder screws. Also known as wheel and axle bolts, these metric screws have an unthreaded shoulder that acts as a shaft, so material attached to the threaded end can rotate.
What are wheel and axle bolts used for?
Also known as wheel and axle bolts, these metric screws have an unthreaded shoulder that acts as a shaft, so material attached to the threaded end can rotate. Choose these metric bolts for fastening most machinery and equipment. They are twice as strong as low-strength steel bolts.