What are the types of bolts?

What are the types of bolts?


Fastener Type Standard or Implied Drive
Bolt Hex Head
Lag Bolt/Screw Hex Head
Carriage Bolt/Screw No Drive
Socket Bolt/Screw Allen Drive

What is an Allen bolt called?

Socket Head Cap Screws, which are also known as Allen head screws are stock items at Lightning Bolt in many materials sizes. These screws come with a hexagonal cross-section socket in the head and require an Allen wrench or hex key to drive them into material and secure them into a structure.

What are bolts with Allen heads called?

Socket screws, also known as Allen head, are fastened with a hex Allen wrench.

How are Allen bolt sizes measured?

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 many types of threads are there?

Six Most Common Types of Threads NPT/NPTF. BSPP (BSP, parallel) BSPT (BSP, tapered) metric parallel.

How are bolts classified on what basis & Types?

Bolts used in steel structures are of three types: 1) Black Bolts 2) Turned and Fitted Bolts and 3) High Strength Friction Grip (HSFG) Bolts. Bolt is a metal pin with a head at one end and a shank threaded at other end to receive a nut, as shown in Figure 6.

Is Allen key and hex the same?

A hex key, also known as an Allen key is a simple tool used to drive bolts and screws with hexagonal sockets in their heads. From standard keys in chrome vanadium steel to extra-long with ballpoint heads in chrome molybdenum steel, there are a wide variety to choose from.

What is the difference between an Allen wrench and a hex key?

The short answer is “there is no difference”. Really, these two names can be used interchangeably.

What are the different types of screw heads?

The two basic screw head types, countersunk and non-countersunk, include various unique designs….The different screw drive types include:

  • Slotted.
  • Phillips.
  • Phillips tamper-resistant.
  • Combination.
  • Hex external.
  • Hex internal.
  • Hex tamper-resistant.
  • Square recess.

What is a screw without a head called?

A screw without a head is sometimes called a blind screw. Two types include dowel screws and set screws. Used for joining wood, dowel screws feature threads at both ends. Set screws are fully threaded and usually driven using an internal wrenching drive.

What is M10 bolt in inches?

Table 3.

Metric Closest Inch
M8-1.25 5/16-18 (Smaller)
M10-1.5 3/8-16 (Smaller)
M12-1.75 1/2-13 (Larger)
M14-2.0 9/16-12 (Larger)

How thick is an M10 bolt?

Metric Hex Bolt Dimensions

m10 10.00 6.63
m12 12.00 7.76
m14 14.00 9.09
m16 16.00 10.32

What are the basic types of bolts?

– Hex Bolts. These are quite possibly the most well-known sorts of clasp and will be utilized in numerous activities as a standard bolt. – Twisted Bolt. In contrast to most conventional bolts, twisted bolts are not straight. The end is bowed or formed to meet exceptional. – Carriage Bolts.

Which projects are Allen bolts used in?

Drywall Screws. Drywall screws have a very specific purpose.

  • Wood Screws. Wood screws are smooth right under the head and have very coarse threads that allow them to give you a stable hold of the wood.
  • Sheet Metal Screws. Sheet metal screws are used for sheet metal like tin or aluminum.
  • Deck Screws.
  • Concrete Screws.
  • Set Screws.
  • Machine Screws.
  • What are the different types of Hex Bolts?

    Hex bolts have three standard lengths or grades and different diameters for the shank, ranging from 1/4″ to 4″. Compared to the square bolt, the hex head offers more strength, it is easier to assemble, torque application is easier, and there is more area for the manufacturer’s identification.

    How are Allen head bolts made?

    – Clips – Inserts – Abrasives – Rods / Studs – Fittings – Nylon / Plastics