Drill bit size inch 0 80 3 64in 1 64.
Sizing sheet metal screws.
Select the head type and overall size you need in lengths ranging from 1 4 l to 4 l.
1 4 and larger diameters are shown as inches.
Self drilling screws also called teks have a tip that resembles a drill and often have spaced threads like sheet metal screws.
Steel hardened steel low carbon steel and stainless steel give sheet metal screws long lasting durability.
The simplest way to remember how to measure length.
The engineered drill point and flute remove material efficiently and properly size the hole for threads.
Understanding screw sizes inch standards screws with a diameter smaller than 1 4 have a nominal size indicated by a number e g.
The diameter refers to the major diameter or outside edge of the threads.
Sequences like 4 30 x 10 1 8 10 x 4 6 and m5 4 x 15 may seem meaningless but they say a lot and you need the right screw to do the job.
This way you can make sure you get exactly the same size of screws when you go shopping for new ones.
Purchasing or using the wrong type of screw can lead to wasted effort time expenses or a failed project.
It s pretty easy to do all you need is a measuring tape or a ruler and the screws in question.
If you have some loose screws but need more of the same kind then you will need to measure them.
Decimal 0 060 1 073 2 086 3 099 4 112 5 125 6 138 7 151 8 164 9 177 10 190 12 216 14 250.
Hex head roofing screws teks 9 x 1 1 2 in.
Us sheet metal screw diameters.
Decimal nearest fractional 4 112.
Hilitchi 190 pieces 10 stainless phillips drive hex washer head self drilling sheet metal tek screws with drill point 1 2 to 1 1 4 size inside plastic box 8 by hilitchi 15 78 15.
Length of screws bolts.
Sheet metal screw to drill bit size table screw size drill bit size 2 3 32in 4 1 8in 6 5 32in 8 3 16in 10 13 64in 12 1 4in 1 4in 9 32in 5 16in 21 64in 3 8in 25 64in.
Almost all screw head types will either be flat on.
Length is the distance from the flat part of the head to the tip or blunt end of the screw or bolt.
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78 15 99 15.
After a hole has been tapped by a thread cutting screw it can be replaced by a machine screw of the same size diameter and number of threads per inch.
If the screw size includes a dash with a number following it that is the.
Screw sizes are written in an odd looking code.
Teks 9 x 1 1 2 in.
Sizes of 4 40 to 3 8 16 are common.
