What is a Yfs screw?

YFS is the Premier global brand of high tensile SOCKET CAP SCREWS that are marketed GLOBALLY. DRC Conflict-Free Policy. Product. Product. YFS is specialized in the manufacturing of Alloy Steel Hexagon Socket Screws.

What size is a Yfs 12.9 bolt?

The Grade 12.9 M10 Bolt has a 10mm diameter and is one of the commonly used sizes. The larger sized bolts are used in larger construction type applications where the smaller ones are used in stronger equipment types.

Where are Yfs bolts made?

High-quality, low-cost hex socket bolt made in Taiwan. Boasts the world's top quality for your satisfaction.

What is a hex cap screw used for?

Hex-head screws designed to mate with a machine thread, also known as hex-cap screws, setscrews, or machine screws and are used to secure an object within or against another object.

What is a UNC cap screw?

Unified coarse pitch threads socket cap screws

We deal with UNC socket cap screws they are the different thread than alternative socket cap machine fasteners or the standard Hexagon headed bolt and set screw. UNC socket cap screws are Hex screws or Hex bolts and they also called Allen screws and Allen bolts.

What's the difference between hex bolt and hex cap screw?

The most basic difference between a cap screw and a bolt is the way in which these fasteners are installed. Technically, a bolt is installed by turning a nut to tighten the fastener, while a cap screw in installed by turning the head of the bolt to assemble and tighten.

Is a hex cap screw a bolt?

The terms “hex cap screw” and “hex cap bolt” are often used synonymously when describing a threaded fastener with a hexagonal head. With that said, bolts are typically designed to be used with one or more nuts, whereas screws are not.

What does a hex screw look like?

Hex bolts, or hex cap screws, are large bolts with a six-sided head (hexagonal!) used to fasten wood to wood, or metal to wood.

What is a grade 12.9 bolt?

Grade 12.9 Hex Bolts are high strength bolts with 1100MPa minimum yield strength and 1220MPa minimum tensile strength. Suraj Metal Corporation is a leading manufacturer and supplier of the different types such as the Grade 12.9 Hex Head Bolts and others.

What is ASTM A574?

A574 is a ASTM International specification for steel socket head cap screws. A574 covers quenched and tempered alloy steel hexagon socket-head cap screws, 0.060 through 4" in diameter where high strength is required.

Is Grade 8 or 12.9 stronger?

Used in high stress environments, grade 12.9 fasteners are the highest class of metric cap screws. Where Grade 8 fasteners have a 150,000 psi tensile strength, 12.9 fasteners have a 180,000 psi tensile strength, making them more durable than the grade 5.

What is the strongest bolt grade?

Grade 9 Bolts

Grade 9 structural bolts, also known as grade 9 hex cap screws, are one the strongest structural bolts that can be used today. While the typical grade 8 bolt has a tensile strength of 150,000 PSI, a grade 9 bolt has a tensile strength of 180,000PSI.

Are stainless bolts stronger than Grade 8?

Stainless Steel Grades & Strength

Bolt strength is rated in PSI (pounds per square inch). A stainless steel bolt has the same PSI rating as a grade 5 bolt (125,000 PSI). A grade 8 bolt has a stronger rating with a PSI of 150,000.

What are Grade 8 bolts used for?

Grade 8 fasteners are considered hi-strength / high-tensile fasteners and are used in many highly industrial applications such as machinery, valves, pumps, vessels, motors, tractors, and even tanks… Although it may seem like a bolt is a bolt, there are significant differences in how each bolt is manufactured.

What are the 3 types of screws?

3 Common Screw Types at a Glance – Machine, Sheet Metal, and Cap Screws.

How do you unscrew a hex screw?

1. Insert the long end of various hex-key wrenches into the hexagonal slot of a hex screw until you find a wrench that fits into the slot. ...
2. Check the fit of the key wrench by turning it slightly to either side with gentle pressure. ...
3. Turn the hex-key wrench in a counterclockwise direction to loosen the fastener.

How do you tighten a hex screw?

To tighten new, standard, alloy, cup point set screws, install an allen wrench with the short end in the socket, long end in your hand, and tighten until the wrench bends or twists about 30° (1 hour on a clock face). Then the set screw is as tight as it should be.

What are Buttonhead screws?

Button head cap screws have a low domed head with a wider bearing surface than standard heads, and they offer a finished appearance, making them an ideal choice when a neat appearance is desired. Designed for light fastening applications, button head cap screws lack the strength of standard socket screws.

Which screws is better allen screw or hexagon head?

Cylindrical “Allen bolts”, also known as socket cap screws are made of alloy steel and are generally higher strength than hex cap screws and have tighter thread fit. This increases the load a bolted joint using them can hold.

What does a hex head cap screw look like?

A hex cap screw is a six-sided bolt with a trimmed hex head and a washer face on the bearing surface. It must meet specific tolerances as described under ASME B18. 2.1-1996. Hex cap screws are commonly used in OEM applications where precise tolerances are needed.

Is a hex cap screw bolt partially threaded or fully threaded?

Hex Cap Screws / Hex Cap Bolts

Cap screws are typically fully threaded up to 1-1/4″, hex cap bolts over this length are almost always partially threaded. Hex cap screws are available in diameters 1/4″ and up.

What is a coach screw?

Coach screws are a heavy duty screw used for fixing metal to timber or timber to masonry or concrete, meaning they are designed to hold heavy loads firmly in place. They have a hexagonal or square head with a threaded barrel that is tapered to a pointed tip.

When would you use a socket head cap screw?

Socket head cap screws are a special type of fastener. Socket head cap screws are typically used in machine parts, die fixturing, and clamping. Socket head cap screws are ideal for applications in which there is not enough space to maneuver wrenches or sockets.