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Collection: Springs - Die - Metric - Medium Duty

Springs -> Die -> Metric -> Medium Duty

Hole Diameter (B)	Rod Diameter (A)	Length (L)	Optimum Deflection	Optimum Deflection	Load at Optimal	Indicative Image
Die Springs - 25x12.5x76 mm Metric - Carbon Spring Steel
Hole Diameter (B) 25.00 mm	Rod Diameter (A) 12.50 mm	Length (L) 76.00 mm	Optimum Deflection 25 Percent	Optimum Deflection 19.0 mm	Load at Optimal 820.8 N
Material: Carbon Spring Steel Maximum Deflection: 37 Percent Maximum Deflection: 28.1 mm Load at Maximum: 1213.9 N Spring Rate: 43.2 N/mm Colour Code: Blue
Part Number: DS-250-076-MD (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sat, Jun 13, 2026 Regular price $44.77 AUD Regular price ~~$53.73 AUD~~ Sale price $44.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Hole Diameter (B)	Rod Diameter (A)	Length (L)	Optimum Deflection	Indicative Image
Die Springs - 25x12.5x76 mm Metric - Carbon Spring Steel
Hole Diameter (B) 25.00 mm	Rod Diameter (A) 12.50 mm	Length (L) 76.00 mm	Optimum Deflection 25 Percent
Material: Carbon Spring Steel Optimum Deflection: 19.0 mm Load at Optimal: 820.8 N Maximum Deflection: 37 Percent Maximum Deflection: 28.1 mm Load at Maximum: 1213.9 N Spring Rate: 43.2 N/mm Colour Code: Blue
Part Number: DS-250-076-MD (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sat, Jun 13, 2026 Regular price $44.77 AUD Regular price ~~$53.73 AUD~~ Sale price $44.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
DS-250-076-MD (Each) --- Die Springs - 25x12.5x76 mm Metric - Carbon Spring Steel Sale DS-250-076-MD (Each) --- Die Springs - 25x12.5x76 mm Metric - Carbon Spring Steel Regular price $44.77 AUD Regular price ~~$53.73 AUD~~ Sale price $44.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Die Springs - 32x16x38 mm Metric - Carbon Spring Steel
Hole Diameter (B) 32.00 mm	Rod Diameter (A) 16.00 mm	Length (L) 38.00 mm	Optimum Deflection 25 Percent	Optimum Deflection 9.5 mm	Load at Optimal 1757.5 N
Material: Carbon Spring Steel Maximum Deflection: 37 Percent Maximum Deflection: 14.1 mm Load at Maximum: 2608.5 N Spring Rate: 185.0 N/mm Colour Code: Blue
Part Number: DS-320-038-MD (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sat, Jun 13, 2026 Regular price $37.77 AUD Regular price ~~$45.33 AUD~~ Sale price $37.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Die Springs - 32x16x38 mm Metric - Carbon Spring Steel
Hole Diameter (B) 32.00 mm	Rod Diameter (A) 16.00 mm	Length (L) 38.00 mm	Optimum Deflection 25 Percent
Material: Carbon Spring Steel Optimum Deflection: 9.5 mm Load at Optimal: 1757.5 N Maximum Deflection: 37 Percent Maximum Deflection: 14.1 mm Load at Maximum: 2608.5 N Spring Rate: 185.0 N/mm Colour Code: Blue
Part Number: DS-320-038-MD (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sat, Jun 13, 2026 Regular price $37.77 AUD Regular price ~~$45.33 AUD~~ Sale price $37.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
DS-320-038-MD (Each) --- Die Springs - 32x16x38 mm Metric - Carbon Spring Steel Sale DS-320-038-MD (Each) --- Die Springs - 32x16x38 mm Metric - Carbon Spring Steel Regular price $37.77 AUD Regular price ~~$45.33 AUD~~ Sale price $37.77 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Die Springs - 32x16x51 mm Metric - Carbon Spring Steel
Hole Diameter (B) 32.00 mm	Rod Diameter (A) 16.00 mm	Length (L) 51.00 mm	Optimum Deflection 25 Percent	Optimum Deflection 12.8 mm	Load at Optimal 1715.2 N
Material: Carbon Spring Steel Maximum Deflection: 37 Percent Maximum Deflection: 18.9 mm Load at Maximum: 2532.6 N Spring Rate: 134.0 N/mm Colour Code: Blue
Part Number: DS-320-051-MD (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sat, Jun 13, 2026 Regular price $43.86 AUD Regular price ~~$52.64 AUD~~ Sale price $43.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Die Springs - 32x16x51 mm Metric - Carbon Spring Steel
Hole Diameter (B) 32.00 mm	Rod Diameter (A) 16.00 mm	Length (L) 51.00 mm	Optimum Deflection 25 Percent
Material: Carbon Spring Steel Optimum Deflection: 12.8 mm Load at Optimal: 1715.2 N Maximum Deflection: 37 Percent Maximum Deflection: 18.9 mm Load at Maximum: 2532.6 N Spring Rate: 134.0 N/mm Colour Code: Blue
Part Number: DS-320-051-MD (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sat, Jun 13, 2026 Regular price $43.86 AUD Regular price ~~$52.64 AUD~~ Sale price $43.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
DS-320-051-MD (Each) --- Die Springs - 32x16x51 mm Metric - Carbon Spring Steel Sale DS-320-051-MD (Each) --- Die Springs - 32x16x51 mm Metric - Carbon Spring Steel Regular price $43.86 AUD Regular price ~~$52.64 AUD~~ Sale price $43.86 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Die Springs - 40x20x51 mm Metric - Carbon Spring Steel
Hole Diameter (B) 40.00 mm	Rod Diameter (A) 20.00 mm	Length (L) 51.00 mm	Optimum Deflection 25 Percent	Optimum Deflection 12.8 mm	Load at Optimal 2324.5 N
Material: Carbon Spring Steel Maximum Deflection: 37 Percent Maximum Deflection: 18.9 mm Load at Maximum: 3432.2 N Spring Rate: 181.6 N/mm Colour Code: Blue
Part Number: DS-400-051-MD (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sat, Jun 13, 2026 Regular price $67.05 AUD Regular price ~~$80.45 AUD~~ Sale price $67.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Die Springs - 40x20x51 mm Metric - Carbon Spring Steel
Hole Diameter (B) 40.00 mm	Rod Diameter (A) 20.00 mm	Length (L) 51.00 mm	Optimum Deflection 25 Percent
Material: Carbon Spring Steel Optimum Deflection: 12.8 mm Load at Optimal: 2324.5 N Maximum Deflection: 37 Percent Maximum Deflection: 18.9 mm Load at Maximum: 3432.2 N Spring Rate: 181.6 N/mm Colour Code: Blue
Part Number: DS-400-051-MD (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sat, Jun 13, 2026 Regular price $67.05 AUD Regular price ~~$80.45 AUD~~ Sale price $67.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
DS-400-051-MD (Each) --- Die Springs - 40x20x51 mm Metric - Carbon Spring Steel Sale DS-400-051-MD (Each) --- Die Springs - 40x20x51 mm Metric - Carbon Spring Steel Regular price $67.05 AUD Regular price ~~$80.45 AUD~~ Sale price $67.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Die Springs - 40x20x64 mm Metric - Carbon Spring Steel
Hole Diameter (B) 40.00 mm	Rod Diameter (A) 20.00 mm	Length (L) 64.00 mm	Optimum Deflection 25 Percent	Optimum Deflection 16.0 mm	Load at Optimal 2240.0 N
Material: Carbon Spring Steel Maximum Deflection: 37 Percent Maximum Deflection: 23.7 mm Load at Maximum: 3318.0 N Spring Rate: 140.0 N/mm Colour Code: Blue
Part Number: DS-400-064-MD (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sat, Jun 13, 2026 Regular price $75.32 AUD Regular price ~~$90.38 AUD~~ Sale price $75.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Die Springs - 40x20x64 mm Metric - Carbon Spring Steel
Hole Diameter (B) 40.00 mm	Rod Diameter (A) 20.00 mm	Length (L) 64.00 mm	Optimum Deflection 25 Percent
Material: Carbon Spring Steel Optimum Deflection: 16.0 mm Load at Optimal: 2240.0 N Maximum Deflection: 37 Percent Maximum Deflection: 23.7 mm Load at Maximum: 3318.0 N Spring Rate: 140.0 N/mm Colour Code: Blue
Part Number: DS-400-064-MD (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sat, Jun 13, 2026 Regular price $75.32 AUD Regular price ~~$90.38 AUD~~ Sale price $75.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
DS-400-064-MD (Each) --- Die Springs - 40x20x64 mm Metric - Carbon Spring Steel Sale DS-400-064-MD (Each) --- Die Springs - 40x20x64 mm Metric - Carbon Spring Steel Regular price $75.32 AUD Regular price ~~$90.38 AUD~~ Sale price $75.32 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Die Springs - 40x20x76 mm Metric - Carbon Spring Steel
Hole Diameter (B) 40.00 mm	Rod Diameter (A) 20.00 mm	Length (L) 76.00 mm	Optimum Deflection 25 Percent	Optimum Deflection 19.0 mm	Load at Optimal 2052.0 N
Material: Carbon Spring Steel Maximum Deflection: 37 Percent Maximum Deflection: 28.1 mm Load at Maximum: 3034.8 N Spring Rate: 108.0 N/mm Colour Code: Blue
Part Number: DS-400-076-MD (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sat, Jun 13, 2026 Regular price $133.41 AUD Regular price Sale price $133.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Die Springs - 40x20x76 mm Metric - Carbon Spring Steel
Hole Diameter (B) 40.00 mm	Rod Diameter (A) 20.00 mm	Length (L) 76.00 mm	Optimum Deflection 25 Percent
Material: Carbon Spring Steel Optimum Deflection: 19.0 mm Load at Optimal: 2052.0 N Maximum Deflection: 37 Percent Maximum Deflection: 28.1 mm Load at Maximum: 3034.8 N Spring Rate: 108.0 N/mm Colour Code: Blue
Part Number: DS-400-076-MD (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sat, Jun 13, 2026 Regular price $133.41 AUD Regular price Sale price $133.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
DS-400-076-MD (Each) --- Die Springs - 40x20x76 mm Metric - Carbon Spring Steel DS-400-076-MD (Each) --- Die Springs - 40x20x76 mm Metric - Carbon Spring Steel Regular price $133.41 AUD Regular price Sale price $133.41 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now
Die Springs - 40x20x89 mm Metric - Carbon Spring Steel
Hole Diameter (B) 40.00 mm	Rod Diameter (A) 20.00 mm	Length (L) 89.00 mm	Optimum Deflection 25 Percent	Optimum Deflection 22.3 mm	Load at Optimal 2022.6 N
Material: Carbon Spring Steel Maximum Deflection: 37 Percent Maximum Deflection: 32.9 mm Load at Maximum: 2984.0 N Spring Rate: 90.7 N/mm Colour Code: Blue
Part Number: DS-400-089-MD (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sat, Jun 13, 2026 Regular price $96.59 AUD Regular price ~~$115.91 AUD~~ Sale price $96.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Die Springs - 40x20x89 mm Metric - Carbon Spring Steel
Hole Diameter (B) 40.00 mm	Rod Diameter (A) 20.00 mm	Length (L) 89.00 mm	Optimum Deflection 25 Percent
Material: Carbon Spring Steel Optimum Deflection: 22.3 mm Load at Optimal: 2022.6 N Maximum Deflection: 37 Percent Maximum Deflection: 32.9 mm Load at Maximum: 2984.0 N Spring Rate: 90.7 N/mm Colour Code: Blue
Part Number: DS-400-089-MD (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sat, Jun 13, 2026 Regular price $96.59 AUD Regular price ~~$115.91 AUD~~ Sale price $96.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
DS-400-089-MD (Each) --- Die Springs - 40x20x89 mm Metric - Carbon Spring Steel Sale DS-400-089-MD (Each) --- Die Springs - 40x20x89 mm Metric - Carbon Spring Steel Regular price $96.59 AUD Regular price ~~$115.91 AUD~~ Sale price $96.59 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Die Springs - 50x25x64 mm Metric - Carbon Spring Steel
Hole Diameter (B) 50.00 mm	Rod Diameter (A) 25.00 mm	Length (L) 64.00 mm	Optimum Deflection 25 Percent	Optimum Deflection 16.0 mm	Load at Optimal 3344.0 N
Material: Carbon Spring Steel Maximum Deflection: 37 Percent Maximum Deflection: 23.7 mm Load at Maximum: 4953.3 N Spring Rate: 209.0 N/mm Colour Code: Blue
Part Number: DS-500-064-MD (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sat, Jun 13, 2026 Regular price $126.05 AUD Regular price ~~$151.25 AUD~~ Sale price $126.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
Die Springs - 50x25x64 mm Metric - Carbon Spring Steel
Hole Diameter (B) 50.00 mm	Rod Diameter (A) 25.00 mm	Length (L) 64.00 mm	Optimum Deflection 25 Percent
Material: Carbon Spring Steel Optimum Deflection: 16.0 mm Load at Optimal: 3344.0 N Maximum Deflection: 37 Percent Maximum Deflection: 23.7 mm Load at Maximum: 4953.3 N Spring Rate: 209.0 N/mm Colour Code: Blue
Part Number: DS-500-064-MD (Each) Out of Stock \| Backorder Now \| Backorder now for delivery around Sat, Jun 13, 2026 Regular price $126.05 AUD Regular price ~~$151.25 AUD~~ Sale price $126.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Quantity Required Backorder: Out of Stock.
DS-500-064-MD (Each) --- Die Springs - 50x25x64 mm Metric - Carbon Spring Steel Sale DS-500-064-MD (Each) --- Die Springs - 50x25x64 mm Metric - Carbon Spring Steel Regular price $126.05 AUD Regular price ~~$151.25 AUD~~ Sale price $126.05 AUD Unit price per Each Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale

Miniature Bearings Australia Pty Ltd
3/8 Boyland Avenue
Coopers Plains, Queensland, Australia.
(ABN: 94 069 113 800)