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Wave Spring Washers. Manufactured from A2 304 Stainless Steel to DIN 137B. Please note that these are sold in multiples of 10. Often also called Crinkle Washers, these are used to help prevent fasteners from working loose in applications where there is a high amount of vibration. Manufactured from A2 Stainless Steel these offer good corrosion resistance and are almost non magnetic.
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Bolt Base Ltd Delivery & Returns
UK Orders Orders placed by 1.00pm will be dispatched same day.
Shipping will be charged at a rate of £3.00 for second class and £3.95 for 1st class royal mail. Shipping will be free of charge on orders with a value over £50.00.
All UK orders will be sent by royal mail if selected at checkout, heavier and higher value orders may be sent by DHL.
Next day delivery is available for £7.99 and will be made by DHL or Royal mail Special Delivery. Orders must be received before 1.00pm. Next day delivery orders placed between 1.00pm Thursday and 1.00pm Friday will likely not arrive till Monday. Next day orders placed between 1.00pm Friday and 1.00pm Monday will be due for arrival on Tuesday.
Usual shipping time for royal mail 1st class is 1-3 working days but can sometimes take a little longer in some circumstances.
Returns We operate a 60 day return policy and try to keep things as simple as possible.
All goods should be returned to us in the same condition we sent them in and should always be unused, any returns we receive with signs that they have been used may be returned to the customer and a refund or exchange may be denied.
For goods that we have supplied correctly you are entitled to return these to us for a full refund (excluding any shipping paid) or an exchange if preferred. Please return goods to us either with original invoice or a photo copy so that we can identify your order. Please also include a note explaining what you would like us to do for you whether it is an exchange or refund. Please include a note even if already discussed by email or over the phone.
For goods that are faulty or have been incorrectly supplied we can offer a full refund including any shipping paid or an exchange if preferred. Please return goods to us either with original invoice or a photo copy so that we can identify your order. Please also include a note explaining what you would like us to do for you whether it is an exchange or refund. Please include a note even if already discussed by email or over the phone.
For all returns please make sure that you retain any proof of postage as we can not be held responsible for any returns that do not reach us.
All returns should be clearly marked and sent to: Bolt Base LTD Returns Unit 6A The Trade Center Bruce Street Alloa Clackmannanshire FK10 1RX UK
Please contact us for our Payment & Security policy.
Reference
Diameter
Internal Diameter
Outer Diameter
Thickness
A2-Crinkle-DIN137BM3
M3
3.2mm
8mm
0.5mm
A2-Crinkle-DIN137BM4
M4
4.3mm
9mm
0.5mm
A2-Crinkle-DIN137BM5
M5
5.3mm
11mm
0.5mm
A2-Crinkle-DIN137BM6
M6
6.4mm
12mm
0.5mm
A2-Crinkle-DIN137BM8
M8
8.4mm
15mm
0.8mm
A2-Crinkle-DIN137BM10
M10
10.5mm
21mm
1.0mm
A2-Crinkle-DIN137BM12
M12
13mm
24mm
1.2mm
Specifications
A2-Crinkle-DIN137BM3
Diameter
M3
A2-Crinkle-DIN137BM3
Internal Diameter
3.2mm
A2-Crinkle-DIN137BM3
Outer Diameter
8mm
A2-Crinkle-DIN137BM3
Thickness
0.5mm
A2-Crinkle-DIN137BM4
Diameter
M4
A2-Crinkle-DIN137BM4
Internal Diameter
4.3mm
A2-Crinkle-DIN137BM4
Outer Diameter
9mm
A2-Crinkle-DIN137BM4
Thickness
0.5mm
A2-Crinkle-DIN137BM5
Diameter
M5
A2-Crinkle-DIN137BM5
Internal Diameter
5.3mm
A2-Crinkle-DIN137BM5
Outer Diameter
11mm
A2-Crinkle-DIN137BM5
Thickness
0.5mm
A2-Crinkle-DIN137BM6
Diameter
M6
A2-Crinkle-DIN137BM6
Internal Diameter
6.4mm
A2-Crinkle-DIN137BM6
Outer Diameter
12mm
A2-Crinkle-DIN137BM6
Thickness
0.5mm
A2-Crinkle-DIN137BM8
Diameter
M8
A2-Crinkle-DIN137BM8
Internal Diameter
8.4mm
A2-Crinkle-DIN137BM8
Outer Diameter
15mm
A2-Crinkle-DIN137BM8
Thickness
0.8mm
A2-Crinkle-DIN137BM10
Diameter
M10
A2-Crinkle-DIN137BM10
Internal Diameter
10.5mm
A2-Crinkle-DIN137BM10
Outer Diameter
21mm
A2-Crinkle-DIN137BM10
Thickness
1.0mm
A2-Crinkle-DIN137BM12
Diameter
M12
A2-Crinkle-DIN137BM12
Internal Diameter
13mm
A2-Crinkle-DIN137BM12
Outer Diameter
24mm
A2-Crinkle-DIN137BM12
Thickness
1.2mm
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