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Schnorr® Washers

Schnorr® Washers
How to measure washers
Two ways to confirm before you order - whichever you already know.
1If you know your bolt size

Washers are named by the bolt they fit: an M10 washer suits an M10 bolt. The inside diameter is slightly larger than the bolt so it slides on. Our guide covers every size and washer type we stock.

Open the washer measuring guide ›

Open the washer gauge sizing chart ›

2If you have a washer in hand

Measure the inside diameter (ID), outside diameter (OD) and thickness, as shown in the drawing.

Washer measurement diagram - inside diameter, outside diameter and thickness

TYPE S vs TYPE VS

Type S — Standard Schnorr® for property class 4.6, 5.8 and 6.8 bolts. The most common variant.

Type VS (Reinforced) — For property class 8.8 and 10.9 bolts, where higher pretension forces require a more robust washer.

KEY ADVANTAGES

High resistance to vibration through positive form-fit locking. Compensates for setting and creep in the joint by maintaining spring preload. Higher elasticity than spring lock washers. Single-piece design — no glued pairs to separate or align.

MATERIALS AND FINISHES

High Tensile Steel — Zinc Plated — Bright zinc finish, general industrial use.

High Tensile Steel — Zinc Coated + Passivation — Additional passivation layer for improved corrosion resistance.

A2-70 G304 Stainless Steel — For outdoor, food contact and chemical environments.

STANDARDS

Manufactured to DIN EN 10132-4 and the Schnorr® factory standard.

WHY AUSTRALIA TRUSTS BOLT & NUT

With 15+ years selling fasteners online from Brisbane, we hold over 25,000 stock lines and 200 million pieces — 98.75% of online orders placed before 1pm leave same day. Save more as you buy more — we offer up to 13 price breaks plus 3 spend-tier discounts. Read our customer reviews or get in touch if you need help picking the right Schnorr® washer.

View as Grid List

34 Items found

Set Descending Direction
per page

Original Schnorr® Safety Washers are a disc spring with a trapezoidal cross-section and radial serrations on both sides. The outer diameter is matched to the head of pan-head and socket-head cap screws. Under tightening, the conical form flattens — driving the serrations into both mating surfaces — producing very high locking torque from a single washer.

TECHNICAL RESOURCES

Need help identifying your washer? See our washer measuring guide, or check the washer gauge sizing chart.

Key charts and specification sheets: Metric to Imperial Chart ·

For full sizing data and standards, see our Technical PDFs library.

Filter by :
Filter By
Category
System of Measurement
  1. Metric 34 items
Size
  1. M3 (3mm) 1 item
  2. M4 (4mm) 1 item
  3. M5 (5mm) 3 items
  4. M6 (6mm) 3 items
  5. M8 (8mm) 3 items
  6. M10 (10mm) 3 items
  7. M12 (12mm) 3 items
  8. M14 (14mm) 2 items
  9. M16 (16mm) 3 items
  10. M18 (18mm) 2 items
  11. M20 (20mm) 2 items
  12. M22 (22mm) 2 items
  13. M24 (24mm) 2 items
  14. M27 (27mm) 2 items
  15. M30 (30mm) 2 items
To Suit Fastener Size
  1. M3 | 1/8" | #5 | 6BA 1 item
  2. M4 | 5/32" | 6g | 7g | 8g | #8 | 4BA 1 item
  3. M5 | 3/16" | 10g | #10 | 2BA 3 items
  4. M6 | 1/4" | 12g | 14g | #12 3 items
  5. M8 | 5/16" 3 items
  6. M10 3 items
  7. M12 | 1/2" 3 items
  8. M14 | 9/16" 2 items
  9. M16 | 5/8" 3 items
  10. M18 2 items
  11. M20 | 3/4" 2 items
  12. M22 | 7/8" 2 items
  13. M24 2 items
  14. M27 | 1-1/8" 2 items
  15. M30 2 items
Material / Finish
  1. Stainless Steel 6 items
  2. Zinc Coated + Passivation 15 items
  3. Zinc Silver Plated 13 items
Class / Grade
  1. A2-70 G304 6 items
  2. High Tensile Grade 10.9 28 items
Corrosion Protection Level
  1. Excellent 6 items
  2. Very Good 15 items
  3. Moderate 13 items
Inside Measurement Range Guide
  1. 3.10 - 3.60mm 1 item
  2. 4.10 - 4.70mm 1 item
  3. 5.00 - 5.75mm 3 items
  4. 6.10 - 7.10mm 3 items
  5. 8.20 - 9.30mm 3 items
  6. 10.20 - 11.70mm 3 items
  7. 12.20 - 14.00mm 3 items
  8. 14.20 - 15.60mm 2 items
  9. 16.80 - 18.60mm 3 items
  10. 18.20 - 19.60mm 2 items
  11. 20.10 - 22.50mm 2 items
  12. 22.30 - 24.50mm 2 items
  13. 24.50 - 27.50mm 2 items
  14. 27.50 - 29.50mm 2 items
  15. 31.00 - 33.00mm 2 items
Outside Dia. Range Guide
  1. 3.00 - 9.99mm 6 items
  2. 10.00 - 14.99mm 4 items
  3. 15.00 - 19.99mm 5 items
  4. 25.00 - 29.99mm 7 items
  5. 30.00 - 34.99mm 2 items
  6. 35.00 - 39.99mm 3 items
  7. 40.00 - 49.99mm 4 items
  8. 50.00 - 59.99mm 2 items
  9. 60.00 - 69.99mm 1 item
Thickness Range Guide
  1. 0.50 - 0.99mm 8 items
  2. 1.00 - 1.49mm 8 items
  3. 1.50 - 1.99mm 5 items
  4. 2.00 - 2.49mm 3 items
  5. 2.50 - 2.99mm 2 items
  6. 3.50 - 3.99mm 1 item
  7. 4.00 - 4.49mm 1 item
  8. 4.50 - 4.99mm 2 items
  9. 5.00 - 5.99mm 2 items
  10. 6.00 - 6.99mm 1 item
  11. 7.00 - 7.99mm 1 item
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