Celebrating 30 Years of Trading.

To mark 30 years of trading this month, we have reduced our carriage paid threshold to £30 nett.

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M6 x 100mm Black A2 Stainless Coach Screws DIN 571

  • A2 (304) Stainless steel * CHEMI-BLACKED *
  • Rust resistant for exterior use
  • 10mm Hexagon head


£ 1.52 INC VAT (PRICED EACH)

(Include VAT?)   

BULK QUANTITY DISCOUNTS:

10+

£1.22

50+

£1.07

100+

£0.91

QUANTITY:
 
3 IN STOCK


A Guide to Lag Bolts and Their Uses

Coach screws (also known as lag screws or lag bolts) are essential heavy-duty fasteners primarily used in timber-to-timber construction. These robust screws feature a hexagonal head, making them ideal for high-torque applications. When you need extra strength and rust resistance for outdoor projectsblack stainless steel coach screws are a top choice, especially in environments with excess moisture.

Key Applications:

  • Securing metal plates or concrete posts to timber
  • Heavy-duty timber-to-timber applications
  • Fixing into masonry when used with a nylon plug

*CHEMI-BLACK FINISHED*

This item has been chemically blacked, the process is also commonly known as black oxide treatment. The process involves chemical treatment and as a result, these items may be oily to touch.


  • Essential when working with oak and other hardwoods with a high tannin content
  • Ultimate rust resistance for outdoor use
  • Ideal for projects exposed to harsh weather or moisture

Important Note: While stainless steel offers excellent corrosion resistance, it’s softer than carbon steel. For best results, always use a pilot drill, especially in hard woods like oak.


Specifics

Diameter (d1): Ø6mm
Length from under head (L): 100mm
Head height (k): 4mm
Across flats (s): 10mm
Across points (e): 10.89mm
Thread length: See diagram for indication. Please call us for exact measurement of current stock as it varies by batch
Material: A2 (304) Stainless steel
Finish: Black oxide
Din standard: DIN 571

Click here to view the full sizing table

Technical line drawing of A4 stainless steel coach screws





Delivery Options

TC Fixings Ltd offers a range of delivery services across the UK to suit different order sizes and delivery times. Orders are dispatched using reliable courier and postal services to ensure products arrive quickly and safely.


Delivery Summary

  • Free delivery: Orders over £30 nett qualify for free delivery

  • Same-day dispatch: Orders placed before 15:00 Monday–Friday are usually dispatched the same day (subject to stock availability)

  • Collection: Available from our premises

  • Local delivery: Free van delivery available in Saffron Walden and surrounding villages


Free Delivery

Orders over £30 nett qualify for free delivery.

If your order is close to the threshold, adding additional items may allow you to qualify for free delivery.

Free delivery applies to standard mainland UK delivery only.


Delivery Charges

Orders under £30 nett are subject to carriage charges. Available delivery options are shown below.


Royal Mail Services (Up to 2kg)

Service Delivery Time Cost
Royal Mail Standard 48 Tracked 3–5 working days £4.99
Royal Mail 24 Tracked (Most Popular) 1–3 working days £5.99
Special Delivery by 1pm Next working day £14.99
Special Delivery by 9am Next working day £49.99

Royal Mail services are available for consignments up to 2kg.


Courier Services

Service Delivery Time Cost
Standard Courier 2–3 working days £6.98
Express Delivery (Most Popular) 1–2 working days £8.99
Next Working Day by 13:00 Next working day £10.99
Next Working Day by 11:00 Next working day £14.99
Saturday Delivery Saturday £9.98

Orders placed before 15:00 Monday–Friday are normally dispatched the same working day, subject to stock availability.


Delivery Surcharges

Additional charges may apply in certain circumstances.

Extended Delivery Areas

Orders to the following locations may incur additional delivery charges:

  • Isle of Wight

  • Isle of Man

  • Scottish Highlands

  • Scottish Isles

  • Northern Ireland

  • Channel Isles

These charges will be shown at checkout where applicable.

Long Item Surcharge

Items measuring 1.5 metres or longer are subject to a £12 length surcharge per shipment.


Dispatch Information

Orders placed before 15:00 Monday–Friday are normally dispatched the same working day when all items are in stock.

Orders placed after this time, or on weekends and bank holidays, will be dispatched on the next working day.

Next working day delivery services apply Monday–Friday excluding bank holidays.


Collection

Customers may collect orders from our premises.

Collection orders are normally ready within 1 hour, provided all items are in stock. Please wait for confirmation before travelling to collect your order.


Local Van Delivery

TC Fixings offers a free local van delivery service to customers in Saffron Walden and surrounding villages.

Please contact our team for further information if you are located in this area.


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Product Variations

Black A2 Stainless Steel Coach Screws DIN 571

Dia: M6 (6mm)
Length: 100mm

SKU: A2CS06100-BK

3 In Stock

£1.52 EACH

Dia: M8 (8mm)
Length: 100mm

SKU: A2CS08100-BK

445 In Stock

£1.65 EACH

Dia: M10 (10mm)
Length: 100mm

SKU: A2CS10100-BK

368 In Stock

£2.70 EACH

Dia: M12 (12mm)
Length: 100mm

SKU: A2CS12100-BK

160 In Stock

£3.54 EACH

Our Address

Unit 39, Shirehill Industrial Estate
Saffron Walden, Essex, CB11 3AQ

Contact Details

Telephone: 01799 520640
Email: sales@tcfixings.co.uk