what thickness is the M8 x 25mm washers?

The ones I bought where 6mm x25 which are a smidge less then the thickness of a 5 pence, so I would think 8mmx25 would be a little thicker as they maybe used for a stronger job.

Are they zinc coated or stainless steel?

The ones I received were bzp and definitely not stainless

What is the thickness of the washer?

About 1.5mm thick, it's strong, I used them to attach headboard struts to bed

What is the dimension inside, and will this fit my M8 80mm coach screw?

I bought these to use with 225 mm coach bolts so I see no reason why they should not be of use with any 8 mm bolt

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M5 x 25mm Penny Washers 20 Pack 5mm x 25mm A2 Stainless Steel Plain Round Large Flat Metal Repair Washer for Screws 20Pcs Heavy Duty DIY

Product ID: 271874787

Details

Exterior finish
Stainless
Fastener size
M5
Material
Stainless
Outside diameter
2.5
Washer type
Flat

✨A2 Stainless Steel Finish

🔩M6 Thread Size

🛠️20-Pack Heavy Duty Set

€ 10.64

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Description

🔧 Elevate your DIY game with washers that mean business!

GENEROUS 20 PACK SUPPLY - Keep your toolkit ready with 20 premium washers—never run out mid-project again.
TRUSTED QUALITY ASSURANCE - Backed by responsive customer support with a 24-hour satisfaction guarantee—shop with confidence.
DURABLE A 2 STAINLESS STEEL - Corrosion-resistant alloy steel that stands up to heavy-duty DIY and professional repairs alike.
ZINC PLATED ALLOY STRENGTH - Enhanced zinc plating adds an extra layer of protection and longevity for all your repair needs.
PRECISION ENGINEERED M 6 FIT - Perfectly sized for secure fastening with M6 screws, ensuring a flawless fit every time.

The Harlington Group M6 x 25mm Penny Washers come in a 20-pack of flat, zinc-plated A2 stainless steel washers designed for M6 screws. Engineered for durability and corrosion resistance, these washers provide a reliable, professional-grade solution for heavy-duty repairs and everyday DIY projects.

Specifications

ASIN	B0DPQP2DG7
Best Sellers Rank	76,586 in DIY & Tools ( See Top 100 in DIY & Tools ) 485 in Washers
Brand Name	Harlington Group
Colour	Silver
Compatible Groove Diameter	0.6 Centimeters
Customer Reviews	4.4 4.4 out of 5 stars (667)
Exterior Finish	Stainless Steel
Fastener Size	M5
Fastener Type	Flat
Finish Types	Polished
Item Diameter	2.5 Centimetres
Item Thickness	2 Millimetres
Manufacturer	Harlington Group
Manufacturer Part Number	HH-PennyWasher-20Pack
Material Type	Stainless Steel
Number Of Items	20
Number of Packs	1
Number of Pieces	20
Outside Diameter	2.5 Centimetres
Screw Head Style	Flat
Set Name	Harlington Group M5 x 25mm Penny Washer Set (20Pcs)
Size	5mm x 25mm
Thread Size	0.8 millimeters
Unit Count	20.0 count
Washer Compatibility	metric bolts
Washer Type	Flat

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€ 10.64

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Slovakia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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