The drill size chart below gives fractional sizes and their metric conversions up to 1 inch.
Roll pin drill sizes.
Steel pins are strong and wear resistant.
Recommended b m pintool a b c recommended hole size wall thickness.
The relationship between the diameter of the pin and the diameter of the hole must take into account the ductility of the dowel and the hole material and will vary more accordingly to this factor than according to the size of the dowel itself.
Passivated pins offer added protection against corrosion and oxidation.
Designed to replace taper pins straight pins and set screws they will also serve as a rivet dowel hinge pin or cotter pin in many applications.
Choose from our selection of roll pins including slotted spring pins coiled spring pins and more.
Bs 328 drill sizes are defined as shown in the drill size chart below.
In stock and ready to ship.
18 8 stainless steel pins offer a balance of strength and corrosion resistance.
Made of 1070 carbon spring steel hardened to rockwell 45 50 tempered and oiled they can be doubled up for heavy duty applications.
A 1 8 roll pin will fit tightly in a 1 8 hole.
Fraction of an inch inch mm fraction of an inch inch mm fraction of an inch inch mm 1 64 0 0156 0 3969 23 64 0 3594 9 1281 45 64 0 7031 17 8594 1 32 0 0313 0 7938 3 8 0 37 50 9 5250 23 32 0 7188 18 2563.
Pins that meet specifications for iso 8752 formerly din 1481 or iso 13337 formerly din 7346 adhere to international standards for pin dimensions.
Nominal pin dia decimal nominal pin dia fraction max go ring gage d max nom min max.
Spring roll pins these pins feature hollow cylinders slit longitudinally permitting compression during insertion.
Roll pins are sized by the diameter of the required hole i e.