M20 Bolts

M20 Bolt selection:

We stock many types of M20 diameter bolts in this category, such as standard hex bolts, coach bolts, structural bolts, mild steel and high tensile bolts, socket cap style bolts and countersunk.

M20 bolts from Scrooz Fasteners are heavy-duty hex head fasteners designed for structural, construction, and industrial applications across Australia. M20 refers to the 20mm shank diameter with a 2.50mm metric coarse thread, providing strong, reliable connections with standard nuts and washers.

These bolts are available in high tensile 8.8 grade, Mild Steel 4.6 grade, and Stainless Steel, giving options for general or high-strength applications. Finishes include Bright Zinc Plate, Galvanised, Stainless Steel 304, and Stainless Steel 316 to ensure durability and corrosion resistance in both indoor and outdoor environments.

Match M20 bolts with our selection of M20 washers to distribute load and protect surfaces, and M20 nylock and M20 hex nuts for a tight, secure fastening.

All M20 bolts are stocked in multiple lengths and ready for fast dispatch. Sold in trade boxes, and bulk cartons for volume users. Free shipping over $99.

 

M20 Bolt Features:

  • 20mm diameter with 2.50mm coarse metric thread
  • Hex head design for easy installation with a spanner or socket
  • Steel grades: High Tensile 8.8, Mild Steel 4.6, and Stainless Steel
  • Finishes include Bright Zinc Plate, Galvanised, Stainless Steel 304 and 316
  • Heavy-duty bolts suitable for structural and industrial applications

 


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M20 x 40mm Structural Bolts GAL Trade Box of 25
ON SALE
CASH OFF PROMO
GAL 8.8

now only $85.85

M20 x 50mm Structural Bolts GAL Trade Box of 25
ON SALE
CASH OFF PROMO
GAL 8.8

now only $85.14

M20 x 65mm Structural Bolts GAL Trade Box of 25
ON SALE
CASH OFF PROMO
GAL 8.8

now only $104.02

M20 x 75mm Structural Bolts GAL Trade Box of 25
ON SALE
CASH OFF PROMO
GAL 8.8

now only $112.63

M20 x 90mm Structural Bolts GAL Trade Box of 20
ON SALE
CASH OFF PROMO
GAL 8.8

now only $100.69

M20 x 100mm Structural Bolts GAL Trade Box of 20
ON SALE
CASH OFF PROMO
GAL 8.8

now only $104.73

M20 x 110mm Structural Bolts GAL Trade Box of 20
ON SALE
CASH OFF PROMO
GAL 8.8

now only $108.30

M20 x 120mm Structural Bolts GAL Trade Box of 20
ON SALE
CASH OFF PROMO
GAL 8.8

now only $115.09

M20 x 130mm Structural Bolts GAL Trade Box of 20
ON SALE
CASH OFF PROMO
GAL 8.8

now only $118.51

M20 x 150mm Structural Bolts GAL Trade Box of 20
ON SALE
CASH OFF PROMO
GAL 8.8

now only $134.69

M20 x 180mm Structural Bolts GAL Trade Box of 20
ON SALE
CASH OFF PROMO
GAL 8.8

now only $153.05

M20 x 200mm Structural Bolts GAL Trade Box of 15
ON SALE
CASH OFF PROMO
GAL 8.8

now only $166.81

M20 x 40mm Hex Bolts & Nuts GAL Box of 25
ON SALE
CASH OFF PROMO
GAL 4.6

now only $77.23

M20 x 50mm Hex Bolts & Nuts GAL Box of 25
ON SALE
CASH OFF PROMO
GAL 4.6

now only $84.27

M20 x 65mm Hex Bolts & Nuts GAL Box of 25
ON SALE
CASH OFF PROMO
GAL 4.6

now only $94.25

M20 x 75mm Hex Bolts & Nuts GAL Box of 25
ON SALE
CASH OFF PROMO
GAL 4.6

now only $103.11

M20 x 90mm Hex Bolts & Nuts GAL Box of 20
ON SALE
CASH OFF PROMO
GAL 4.6

now only $94.65

M20 x 100mm Hex Bolts & Nuts GAL Box of 20
ON SALE
CASH OFF PROMO
GAL 4.6

now only $100.69

M20 x 110mm Hex Bolts & Nuts GAL Box of 20
ON SALE
CASH OFF PROMO
GAL 4.6

now only $115.70

M20 x 120mm Hex Bolts & Nuts GAL Box of 20
ON SALE
CASH OFF PROMO
GAL 4.6

now only $121.70

M20 x 130mm Hex Bolts & Nuts GAL Box of 20
ON SALE
CASH OFF PROMO
GAL 4.6

now only $135.90

M20 x 150mm Hex Bolts & Nuts GAL Box of 20
ON SALE
CASH OFF PROMO
GAL 4.6

now only $141.74

M20 x 180mm Hex Bolts & Nuts GAL Box of 20
ON SALE
CASH OFF PROMO
GAL 4.6

now only $159.06

M20 x 200mm Hex Bolts & Nuts GAL Box of 15
ON SALE
CASH OFF PROMO
GAL 4.6

now only $178.23