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Buy Black A2 Stainless Coach Screws DIN 571 | M6 x 100mm Black A2 Stainless Lag Screws

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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:
 
62 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 Terms

Orders over £100 will qualify for free 2-3 working day delivery*. Orders under £100 will be subject to a carriage charge - please see below for our delivery options.

We offer a number of different nationwide* services. Please see below for our delivery options.

*Please note that orders to the Isle of Wight, the Isle of Man, the Scottish Isles, the Scottish Highlands, Northern Ireland and the Channel Isles will incur a carriage surcharge. 

*Long items greater than or equal to 1.5M in length will be subject to a length surcharge of £12. This surcharge is per shipment, and not per item.

Orders placed before 15:00 with next working day/timed services, Saturday & Royal Mail Special Delivery services will be dispatched the same day (Monday to Friday). Orders placed with any of these services after 15:00 will not be dispatched until the next working day. Orders placed on Saturdays, Sundays or bank holidays will be dispatched on the next working day. Next working day means Monday - Friday, excluding bank holidays. Orders placed with any of the aforementioned services will not be delivered on a Saturday or Sunday. For Saturday deliveries, select 'Saturday Delivery' in the basket. 

We aim to despatch all orders with standard services within 2 working days, as long as all of the items are in stock. 

Delivery Services

We offer the following delivery services:

  • Royal Mail standard tracked (3-5 working days) £4.50^^
  • Royal Mail 24 tracked (1-3 working days) £5.95^^
  • R/Mail Special Delivery next working day by 1pm^ £14.99^^
  • R/Mail Special Delivery next working day by 9am^ £39.98^^
  • Standard courier 2-3 working days £6.98
  • Express 1-2 working working day^ £8.99
  • Next working day by 13:00^ £10.99
  • Next working day by 11:00^ £14.99
  • DPD Saturday delivery^ £9.98

^Orders placed before 15:00 with next working day/timed services, Saturday & Royal Mail Special Delivery services will be dispatched the same day (Monday to Friday). Orders placed after 15:00 will not be dispatched until the next working day. Orders placed on Saturdays, Sundays or bank holidays will be dispatched on the next working day. Next working day means Monday - Friday, excluding bank holidays. Orders placed with any of the aforementioned services will not be delivered on a Saturday or Sunday. For Saturday deliveries, select 'Saturday Delivery' in the basket. 

^^Royal Mail services are only offered to basket weights up to and including 2 kilos only. The 1pm & 9am Special Delivery times are for UK mainland only and will vary for Northern Ireland, Highlands & Islands. Please view the Royal Mail website for full details.

Please note that orders to the Isle of Wight, the Isle of Man, the Scottish Isles, the Scottish Highlands, Northern Ireland and the Channel Isles will incur a carriage surcharge. 

Long items greater than or equal to 1.5M in length will be subject to a length surcharge of £12. This surcharge is per shipment, and not per item.

Collection

All orders are available for collection from our stores. Collection orders will normally be ready within 2 hours of the order being placed, as long as all items are in stock at the time of order.

Van Delivery

TC Fixings offers a free van delivery service to Saffron Walden and the surrounding villages.

 


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Product Variations

Black A2 Stainless Steel Coach Screws DIN 571

Dia: M6 (6mm)
Length: 100mm

SKU: A2CS06100-BK

62 In Stock

£1.52 EACH

Dia: M8 (8mm)
Length: 100mm

SKU: A2CS08100-BK

499 In Stock

£1.65 EACH

Dia: M10 (10mm)
Length: 100mm

SKU: A2CS10100-BK

398 In Stock

£2.70 EACH

Dia: M12 (12mm)
Length: 100mm

SKU: A2CS12100-BK

202 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