Flat Washer, Form A

A plain washer with a flat, annular shape that distributes clamping force evenly under the bolt head or nut. It is placed between the fastener and the workpiece before tightening, using a standard wrench or socket. Commonly used in bolted joints in machinery and steelwork. Fit it flat, in full contact with both surfaces.

In stockShips within 3 working daysMade to orderShips within 15 working days

M2016 variantsd121d237h3
Size	Material	Grade	Finish		Stock	MOQpcs	≈ kg/ 1,000 pcs	Quantitypcs
M20	Stainless Steel	200 HV	Passivated		In stock	500	17.38
	M20	Stainless Steel	200 HV	Plain		In stock	500	17.38
	M20	Stainless Steel	300 HV	Passivated		In stock	500	17.38
	M20	Stainless Steel	300 HV	Plain		In stock	500	17.38
	M20	Carbon Steel	200 HV	Plain		In stock	500	17.20
	M20	Carbon Steel	200 HV	Zinc Plated		In stock	500	17.30
	M20	Carbon Steel	200 HV	Hot Dip Galvanized		In stock	500	17.92
	M20	Carbon Steel	200 HV	Dacromet		In stock	500	17.26
	M20	Carbon Steel	140 HV	Plain		In stock	500	17.20
	M20	Carbon Steel	140 HV	Zinc Plated		In stock	500	17.30
	M20	Carbon Steel	140 HV	Hot Dip Galvanized		In stock	500	17.92
	M20	Carbon Steel	140 HV	Dacromet		In stock	500	17.26
	M20	Carbon Steel	300 HV	Plain		In stock	500	17.20
	M20	Carbon Steel	300 HV	Zinc Plated		In stock	500	17.30
	M20	Carbon Steel	300 HV	Hot Dip Galvanized		In stock	500	17.92
	M20	Carbon Steel	300 HV	Dacromet		In stock	500	17.26

16 combinations shown

Matching components

Full Thread Hex BoltDIN 933 · M3–M24

Hexagon Head Bolt Partial Thread DIN 931

Partial Thread Hex BoltDIN 931 · M5–M24

Socket Head Cap ScrewDIN 912 · M3–M24

Slotted Cheese Head Machine Screw DIN 84

Cheese Head ScrewDIN 84 · M3–M10

Hex NutDIN 934 · M3–M36

Stud Bolt, Metal End 1dDIN 938 · M6–M20

Questions

Which washer size do I need?

Small series for socket head and cheese head screws, normal series for hex bolts and nuts, large and extra large series for soft materials and oversized or slotted holes.