Commercial Fasteners & Anchors

Question 1

What’s a common nail?

Answer 1

Thick shank with a flat head

Comes in a bright or hot galvanized finish

Question 2

What’s a duplex nail?

Answer 2

Thick shank that has a double head for easy removal

Comes in a bright finish

Question 3

What’s a spiral (ardox)

Answer 3

Made from spiral wire and used for increased holding strength

Comes in a bright, phosphate-coated, and hot galvanized

Question 4

What’s a box nail?

Answer 4

There a thinner common nail, used to help with not splitting soft wood

Comes in a bright, electro-galvanized, hot galvanized and phosphate coated

Question 5

What’s a joist hanger nail?

Answer 5

Short nail (38mm or 1 1/2” long) with a thick barbed or fluted shaft to give good holding power in structural lumber

Comes in a bright, electro-galvanized and hot galvanized finish

Question 6

What’s a roofing nail?

Answer 6

A short, thick shank nail with a large head. Used for roofing material and vinyl sidding

Comes in an electro-galvanized

Question 7

What’s a concrete nail?

Answer 7

Hardened nails used for fastening lumber to masonry, they have a large shank and are generally grooved or twisted

Comes in a tempered finish

Question 8

What’s a Rigid insulation nail

Answer 8

There used to hold rigid insulation to walls or roofs. They have a washer on them to help them not penetrate through

Comes in a bright and electro-galvanized

Question 9

What’s a wood screw?

Answer 9

They have a head, smooth shank and a tapered threaded end and allows pieces to be pulled together

Question 10

What’s a sheet metal screw

Answer 10

They have a sharp point allowing them to cut a starting hole. Typically threaded the whole way

Question 11

What’s a self tapper

Answer 11

A screw with a little cutter head on the end to allows it to cut there own hole

Question 12

What’s a drywall nail?

Answer 12

They have a bugle shaped head designed to indents rather then tear through the paper

Fine threads used to attach to metal

Course threads for wood

Question 13

What’s a deck screw?

Answer 13

Generally are a good coloured, electro-galvanized coating that’s intended for outside use. They have deep course threads and counter sinking head

Question 14

What’s a lag screw/ bolt?

Answer 14

Lag screws have very course threads and either a square or hex head. Used for heavy construction where small screws would hold enough

Question 15

What’s a self sealing screw?

Answer 15

There used to attach metal cladding to roof or walls. They have a neoprene rubber or plastic washer under the head to seal the hole

Question 16

What’s a screw in anchor

Answer 16

Anchors that are turned in to the drywall and and have aggressive threads that provide the holding power

Come in both metal and plastic

Question 17

What’s a toggle bolt

Answer 17

They are used to provide positive anchoring in hollow walls

The wings spread out to distribute the weight over a larger area

Reuse is impossible because wings fall off once bolt is removed