This listing is for packs of Knurled Steel Flat Head Thumbscrews. These thumbscrews are made from steel alloy with bright zinc plating (BZP) and are extremely tough and made to last. The knurled grip on the flat head makes them a breeze to fasten by hand.
They are available in sizes M3, M4, M5 and M6 with a range of lengths from 6mm all the way up to 40mm.
These screws are available in pack sizes of 2, 4 and 6 with discounts the more you buy.
The the length size does not include the head.
Dimensions of the thumbscrew heads approx.
Size – Diameter – Height
M3 — 11mm —— 7.5mm
M4 — 12mm —— 8mm
M5 — 16mm —— 10mm
M6 — 20mm —— 12mm