What does HWH mean in screws?
HWH: Hex Washer Slotted Head Screw.
What does HCS stand for in bolts?
Common Fastener Related Abbreviations
Abbreviation | Definition |
---|---|
HCS | Hex cap screw, also high Carbon steel |
HD | Head |
H.D.G. | Hot dip galvanized |
HHCS | Hex head cap screw, Also heavy hex cap screw |
What does SFS mean on a bolt?
Stainless steel self-tapping screw color matched to OEM facade panels.
What does 9.8 on a bolt mean?
A metric bolt designated as ISO class 6.8 roughly corresponds in strength to an SAE Grade 2 bolt. Bolts of ISO class 8.8 and the slightly stronger class 9.8 roughly correspond to an SAE Grade 5 bolt. An ISO Class 10.9 bolt roughly corresponds to an SAE Grade 8 bolt.
What does 12.9 bolt mean?
A 12.9 bolt is one of the highest grade of bolts produced. Known for their high tensile strength, they are built with both hex and Torx heads and are available in zinc or chrome finishes. A 12.9 bolt is tightened with a torque wrench to 90 percent of its proof load.
What is HHCS bolt?
Hex Head Cap Screw (HHCS): In addition to the features of a hex bolt, these threaded fasteners have a washer face beneath the head and a chamfered thread point. The flat washer face provides a higher quality bearing surface than Hex Bolts. They also commonly have a unique thread length.
What is socket head screw?
: a screw having a recess or socket to fit a wrench for turning rather than a slot or external hexagonal or square shape.
What does NC stand for screws?
National Coarse Thread
Common Fastener Related Abbreviations
Abbreviation | Meaning |
---|---|
NC | National Coarse Thread |
NF | National Fine Thread |
NT | Nut |
OH | Oval Head |
What is the name of the screw?
Fasteners with a non-tapered shank
American name | British name |
---|---|
hex cap screw hex bolt | |
Fine adjustment screw | |
machine screw | |
plow bolt | plough bolt |