Plate washers are one of the three products we manufacture ourselves. They are cut from certified plate, drilled or punched to your hole size and finished in our Umm Al Quwain plant — square, round or rectangular, from 3 mm to 40 mm thick, in carbon steel, alloy steel and stainless. They ship with our anchor bolts as a set or separately in bulk.
A plate washer is a thick, large-diameter washer used under a nut where the bearing area of a standard washer is not enough — over slotted or oversized holes in base plates, on soft materials such as timber, or on anchor bolts where the washer must spread the load over the concrete or plate. Square plate washers are standard for anchor bolt sets and holding-down bolts; round plate washers are used where the washer must fit a recess or pocket.
Applications
- Anchor bolt sets and holding-down bolt assemblies
- Column base plates with oversized holes (AISC / BS 5950)
- Timber and glulam structural connections
- Formwork and tie-rod bearing plates
- Tower, mast and guy anchor bases
- Heavy equipment and machine hold-downs
Standards, grades & finishes
Manufactured to ISO / DIN (DIN 436 square, DIN 440 round), ASTM F436 Type 1 dimensions where specified, or to your drawing. Plate S275JR, S355JR, EN8 or SS304 / SS316 with mill certificates. Standard hole clearance bolt +2 mm; slotted holes on request. Finish self colour, hot-dip galvanized to ISO 1461 / ASTM A153, zinc plated or plain stainless.
Anchor bolts, studs and plate washers are manufactured in our own ISO 9001:2015 plant in Emirates Modern Industrial Area, Umm Al Quwain, with calibrated in-house dimensional and thread inspection. Tensile, hardness and chemical testing is carried out by independent UAE-accredited laboratories, and EN 10204 3.1 certificates are issued with every batch. We supply across the GCC, MENA and Africa.