TIMCO Hex Head Construction Screws - A4 Stainless Steel – Fixed Washer for Timber Frame Landscaping

6.7 x 100mm Hex - Screws - Stainless Steel (Pack Of 25) - 100INDEXSST

£9.47 ex. VAT £7.89

Key Features

🔧 Hex Head with Fixed Washer – Provides strong clamping and stability for heavy timber joints.
🌊 A4 Stainless Steel – Marine-grade corrosion resistance for coastal, wet, or green oak applications.
🔩 Helix Shank & 50° Single Thread – Clears debris and increases pull-out resistance.
🌲 Single Slash Point & 25° Sharp Tip – Low torque start reduces splitting at edges.
⚙️ Coach Screw Alternative – Designed for timber-to-timber use in decking, pergolas and frames.

Description
These A4 stainless steel hex-head screws are engineered for durable timber-to-timber fixings in harsh outdoor and corrosive environments. The hex head with fixed washer gives secure clamping while the helix shank and deep single thread improve holding power and debris clearance. The single slash point and 25° tip ensure a fast, low-torque start that minimises splitting. Ideal substitute for coach screws in decking, landscaping, pergolas, fences and structural timber frames.

Our Delivery Options

Express 2/4 Day Delivery

Delivery Fee:
Order By:
Delivery Time: Before 6pm Monday-Friday

------------------------------------------------------------------------------------------------

Next Business Day Delivery

Delivery Fee:
Order By:
Delivery Time: Before 6pm Monday-Friday

------------------------------------------------------------------------------------------------

Pre-12 Next Business Day Delivery

Delivery Fee: £12.99 delivery for all pre-12 orders
Order By:
Delivery Time: Before 12pm Monday-Friday

------------------------------------------------------------------------------------------------

Remote Areas Delivery

Delivery Fee:
Order By:
Delivery Time: Standard delivery (2-4 days)

------------------------------------------------------------------------------------------------

Weekend Delivery

Delivery Fee:
Order By:
Delivery Time: Before 6pm Saturday

------------------------------------------------------------------------------------------------

Good To Know

For orders to some addresses, especially in the Highlands of Scotland and Offshore, next day delivery options are not available and delivery can take several days. Saturday delivery is not available for remote areas.

Items over 30kg: Items over 30kg can only be delivered from Monday to Friday. If ordered before 3pm, please allow up to two business days for delivery. Orders placed after 6pm Thursday will be delivered after the weekend.

TIMCO Hex Head Construction Screws - A4 Stainless Steel – Fixed Washer for Timber Frame Landscaping

Name: TIMCO Hex Head Construction Screws - A4 Stainless Steel – Fixed Washer for Timber Frame Landscaping
Brand: TIMCO
SKU: 100INDEXSST
Price: 32.75 GBP
Availability: InStock

Frequently bought together

A4 Stainless Screw – Timber Frame Construction & Landscaping Hex Screw for Carpentry

£17.68

− +

1.5mm x 100m Pink Builders Line Winder – Nylon Construction String for Masonry, Layout & Bricklaying – TIMCO Professional Site Line - Pack of 1 (PBL100W)

£6.89

− +

50 x 400mm - SDS Max Steels - Wide Chisel | Heavy-Duty Concrete, Brick & Block - Pack of 1 (SDSMC40050)

£34.39

− +

Total price:

purchased in the last 24 hours

Quantity

£32.75

ex. VAT £27.29

Same Day Dispatched

In stock, ready to ship
Inventory on the way

Free Shipping Over £25
30 Day Easy Returns
100% Secure Checkout

[{"id":56166732300662,"title":"6.7 x 100mm Hex - Screws - Stainless Steel (Pack Of 25) - 100INDEXSST","option1":"6.7 x 100mm Hex - Screws - Stainless Steel (Pack Of 25) - 100INDEXSST","option2":null,"option3":null,"sku":"100INDEXSST","requires_shipping":true,"taxable":true,"featured_image":{"id":79628268077430,"product_id":15314282938742,"position":1,"created_at":"2025-11-14T02:00:53+00:00","updated_at":"2025-11-14T02:00:53+00:00","alt":null,"width":1000,"height":1000,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/100INDEXSST_w1_91182d78-e694-4be5-8147-a9d90b6d9c38.jpg?v=1763085653","variant_ids":[56166732300662]},"available":true,"name":"TIMCO Hex Head Construction  Screws  - A4 Stainless Steel – Fixed Washer for Timber Frame Landscaping - 6.7 x 100mm Hex - Screws - Stainless Steel (Pack Of 25) - 100INDEXSST","public_title":"6.7 x 100mm Hex - Screws - Stainless Steel (Pack Of 25) - 100INDEXSST","options":["6.7 x 100mm Hex - Screws - Stainless Steel (Pack Of 25) - 100INDEXSST"],"price":3275,"weight":496,"compare_at_price":null,"inventory_management":"shopify","barcode":"5055017575527","featured_media":{"alt":null,"id":67624423293302,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/100INDEXSST_w1_91182d78-e694-4be5-8147-a9d90b6d9c38.jpg?v=1763085653"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":56166732333430,"title":"6.7 x 125mm Hex - Screws - Stainless Steel (Pack Of 25) - 125INDEXSST","option1":"6.7 x 125mm Hex - Screws - Stainless Steel (Pack Of 25) - 125INDEXSST","option2":null,"option3":null,"sku":"125INDEXSST","requires_shipping":true,"taxable":true,"featured_image":{"id":79628268175734,"product_id":15314282938742,"position":4,"created_at":"2025-11-14T02:00:53+00:00","updated_at":"2025-11-14T02:00:53+00:00","alt":null,"width":1000,"height":1000,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/125INDEXSST_w1_93d26b7a-9e04-40b1-a850-542fbdaca15e.jpg?v=1763085653","variant_ids":[56166732333430]},"available":true,"name":"TIMCO Hex Head Construction  Screws  - A4 Stainless Steel – Fixed Washer for Timber Frame Landscaping - 6.7 x 125mm Hex - Screws - Stainless Steel (Pack Of 25) - 125INDEXSST","public_title":"6.7 x 125mm Hex - Screws - Stainless Steel (Pack Of 25) - 125INDEXSST","options":["6.7 x 125mm Hex - Screws - Stainless Steel (Pack Of 25) - 125INDEXSST"],"price":3928,"weight":584,"compare_at_price":null,"inventory_management":"shopify","barcode":"5055017575534","featured_media":{"alt":null,"id":67624423391606,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/125INDEXSST_w1_93d26b7a-9e04-40b1-a850-542fbdaca15e.jpg?v=1763085653"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":56166732366198,"title":"6.7 x 150mm Hex - Screws - Stainless Steel (Pack Of 25) - 150INDEXSST","option1":"6.7 x 150mm Hex - Screws - Stainless Steel (Pack Of 25) - 150INDEXSST","option2":null,"option3":null,"sku":"150INDEXSST","requires_shipping":true,"taxable":true,"featured_image":{"id":79628268274038,"product_id":15314282938742,"position":7,"created_at":"2025-11-14T02:00:53+00:00","updated_at":"2025-11-14T02:00:53+00:00","alt":null,"width":1000,"height":1000,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/150INDEXSST_w1_a42b7e93-b4d0-408c-b144-412792f79c30.jpg?v=1763085653","variant_ids":[56166732366198]},"available":true,"name":"TIMCO Hex Head Construction  Screws  - A4 Stainless Steel – Fixed Washer for Timber Frame Landscaping - 6.7 x 150mm Hex - Screws - Stainless Steel (Pack Of 25) - 150INDEXSST","public_title":"6.7 x 150mm Hex - Screws - Stainless Steel (Pack Of 25) - 150INDEXSST","options":["6.7 x 150mm Hex - Screws - Stainless Steel (Pack Of 25) - 150INDEXSST"],"price":4584,"weight":680,"compare_at_price":null,"inventory_management":"shopify","barcode":"5055017575541","featured_media":{"alt":null,"id":67624423489910,"position":7,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/150INDEXSST_w1_a42b7e93-b4d0-408c-b144-412792f79c30.jpg?v=1763085653"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":56166732398966,"title":"6.7 x 75mm Hex - Screws - Stainless Steel (Pack Of 25) - 75INDEXSST","option1":"6.7 x 75mm Hex - Screws - Stainless Steel (Pack Of 25) - 75INDEXSST","option2":null,"option3":null,"sku":"75INDEXSST","requires_shipping":true,"taxable":true,"featured_image":{"id":79628268372342,"product_id":15314282938742,"position":10,"created_at":"2025-11-14T02:00:53+00:00","updated_at":"2025-11-14T02:00:53+00:00","alt":null,"width":500,"height":500,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/75INDEXSST_w1_f241eeaf-1d71-4673-b526-446c6942249b.jpg?v=1763085653","variant_ids":[56166732398966]},"available":true,"name":"TIMCO Hex Head Construction  Screws  - A4 Stainless Steel – Fixed Washer for Timber Frame Landscaping - 6.7 x 75mm Hex - Screws - Stainless Steel (Pack Of 25) - 75INDEXSST","public_title":"6.7 x 75mm Hex - Screws - Stainless Steel (Pack Of 25) - 75INDEXSST","options":["6.7 x 75mm Hex - Screws - Stainless Steel (Pack Of 25) - 75INDEXSST"],"price":2455,"weight":400,"compare_at_price":null,"inventory_management":"shopify","barcode":"5055017575510","featured_media":{"alt":null,"id":67624423588214,"position":10,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/75INDEXSST_w1_f241eeaf-1d71-4673-b526-446c6942249b.jpg?v=1763085653"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":56166732431734,"title":"6.7 x 75mm Hex - Screws - Stainless Steel (Pack Of 8) - 75INDEXSSTP","option1":"6.7 x 75mm Hex - Screws - Stainless Steel (Pack Of 8) - 75INDEXSSTP","option2":null,"option3":null,"sku":"75INDEXSSTP","requires_shipping":true,"taxable":true,"featured_image":{"id":79628268470646,"product_id":15314282938742,"position":13,"created_at":"2025-11-14T02:00:53+00:00","updated_at":"2025-11-14T02:00:53+00:00","alt":null,"width":500,"height":500,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/75INDEXSSTP_w1_6085bc81-7f4d-4cfb-9322-5908f99ad0d1.jpg?v=1763085653","variant_ids":[56166732431734]},"available":true,"name":"TIMCO Hex Head Construction  Screws  - A4 Stainless Steel – Fixed Washer for Timber Frame Landscaping - 6.7 x 75mm Hex - Screws - Stainless Steel (Pack Of 8) - 75INDEXSSTP","public_title":"6.7 x 75mm Hex - Screws - Stainless Steel (Pack Of 8) - 75INDEXSSTP","options":["6.7 x 75mm Hex - Screws - Stainless Steel (Pack Of 8) - 75INDEXSSTP"],"price":947,"weight":120,"compare_at_price":null,"inventory_management":"shopify","barcode":"5055893383285","featured_media":{"alt":null,"id":67624423686518,"position":13,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/75INDEXSSTP_w1_6085bc81-7f4d-4cfb-9322-5908f99ad0d1.jpg?v=1763085653"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":56166732464502,"title":"6.7 x 100mm Hex - Screws - Stainless Steel (Pack Of 6) - 100INDEXSSTP","option1":"6.7 x 100mm Hex - Screws - Stainless Steel (Pack Of 6) - 100INDEXSSTP","option2":null,"option3":null,"sku":"100INDEXSSTP","requires_shipping":true,"taxable":true,"featured_image":{"id":79628268568950,"product_id":15314282938742,"position":16,"created_at":"2025-11-14T02:00:53+00:00","updated_at":"2025-11-14T02:00:53+00:00","alt":null,"width":500,"height":500,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/100INDEXSSTP_w1_5110125b-7d01-4102-8348-24e6593a2f1e.jpg?v=1763085653","variant_ids":[56166732464502]},"available":true,"name":"TIMCO Hex Head Construction  Screws  - A4 Stainless Steel – Fixed Washer for Timber Frame Landscaping - 6.7 x 100mm Hex - Screws - Stainless Steel (Pack Of 6) - 100INDEXSSTP","public_title":"6.7 x 100mm Hex - Screws - Stainless Steel (Pack Of 6) - 100INDEXSSTP","options":["6.7 x 100mm Hex - Screws - Stainless Steel (Pack Of 6) - 100INDEXSSTP"],"price":947,"weight":110,"compare_at_price":null,"inventory_management":"shopify","barcode":"5055893383292","featured_media":{"alt":null,"id":67624423784822,"position":16,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/100INDEXSSTP_w1_5110125b-7d01-4102-8348-24e6593a2f1e.jpg?v=1763085653"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":56166732497270,"title":"6.7 x 150mm Hex - Screws - Stainless Steel (Pack Of 4) - 150INDEXSSTP","option1":"6.7 x 150mm Hex - Screws - Stainless Steel (Pack Of 4) - 150INDEXSSTP","option2":null,"option3":null,"sku":"150INDEXSSTP","requires_shipping":true,"taxable":true,"featured_image":{"id":79628268667254,"product_id":15314282938742,"position":19,"created_at":"2025-11-14T02:00:53+00:00","updated_at":"2025-11-14T02:00:54+00:00","alt":null,"width":500,"height":500,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/150INDEXSSTP_w1_6525255f-3718-4c67-8ca2-b038c87f2ec6.jpg?v=1763085654","variant_ids":[56166732497270]},"available":true,"name":"TIMCO Hex Head Construction  Screws  - A4 Stainless Steel – Fixed Washer for Timber Frame Landscaping - 6.7 x 150mm Hex - Screws - Stainless Steel (Pack Of 4) - 150INDEXSSTP","public_title":"6.7 x 150mm Hex - Screws - Stainless Steel (Pack Of 4) - 150INDEXSSTP","options":["6.7 x 150mm Hex - Screws - Stainless Steel (Pack Of 4) - 150INDEXSSTP"],"price":947,"weight":100,"compare_at_price":null,"inventory_management":"shopify","barcode":"5055893383308","featured_media":{"alt":null,"id":67624423883126,"position":19,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/150INDEXSSTP_w1_6525255f-3718-4c67-8ca2-b038c87f2ec6.jpg?v=1763085654"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":56166732530038,"title":"6.7 x 50mm Hex - Screws - Stainless Steel (Pack Of 25) - 50INDEXSST","option1":"6.7 x 50mm Hex - Screws - Stainless Steel (Pack Of 25) - 50INDEXSST","option2":null,"option3":null,"sku":"50INDEXSST","requires_shipping":true,"taxable":true,"featured_image":{"id":79628268765558,"product_id":15314282938742,"position":22,"created_at":"2025-11-14T02:00:53+00:00","updated_at":"2025-11-14T02:00:54+00:00","alt":null,"width":500,"height":500,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/50INDEXSST_w1_8cd3e5fd-12a1-46e5-94c0-8e1a89080e30.jpg?v=1763085654","variant_ids":[56166732530038]},"available":true,"name":"TIMCO Hex Head Construction  Screws  - A4 Stainless Steel – Fixed Washer for Timber Frame Landscaping - 6.7 x 50mm Hex - Screws - Stainless Steel (Pack Of 25) - 50INDEXSST","public_title":"6.7 x 50mm Hex - Screws - Stainless Steel (Pack Of 25) - 50INDEXSST","options":["6.7 x 50mm Hex - Screws - Stainless Steel (Pack Of 25) - 50INDEXSST"],"price":2159,"weight":301,"compare_at_price":null,"inventory_management":"shopify","barcode":"5056110831756","featured_media":{"alt":null,"id":67624423981430,"position":22,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/50INDEXSST_w1_8cd3e5fd-12a1-46e5-94c0-8e1a89080e30.jpg?v=1763085654"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":56166732562806,"title":"6.7 x 200mm Hex - Screws - Stainless Steel (Pack Of 25) - 200INDEXSST","option1":"6.7 x 200mm Hex - Screws - Stainless Steel (Pack Of 25) - 200INDEXSST","option2":null,"option3":null,"sku":"200INDEXSST","requires_shipping":true,"taxable":true,"featured_image":{"id":79628268863862,"product_id":15314282938742,"position":25,"created_at":"2025-11-14T02:00:53+00:00","updated_at":"2025-11-14T02:00:54+00:00","alt":null,"width":1000,"height":1000,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/200INDEXSST_w1_589efa98-48ee-4704-8d3f-ba40dc36bf2c.jpg?v=1763085654","variant_ids":[56166732562806]},"available":true,"name":"TIMCO Hex Head Construction  Screws  - A4 Stainless Steel – Fixed Washer for Timber Frame Landscaping - 6.7 x 200mm Hex - Screws - Stainless Steel (Pack Of 25) - 200INDEXSST","public_title":"6.7 x 200mm Hex - Screws - Stainless Steel (Pack Of 25) - 200INDEXSST","options":["6.7 x 200mm Hex - Screws - Stainless Steel (Pack Of 25) - 200INDEXSST"],"price":6613,"weight":868,"compare_at_price":null,"inventory_management":"shopify","barcode":"5056110831763","featured_media":{"alt":null,"id":67624424079734,"position":25,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/200INDEXSST_w1_589efa98-48ee-4704-8d3f-ba40dc36bf2c.jpg?v=1763085654"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":56166732595574,"title":"6.7 x 250mm Hex - Screws - Stainless Steel (Pack Of 25)- 250INDEXSST","option1":"6.7 x 250mm Hex - Screws - Stainless Steel (Pack Of 25)- 250INDEXSST","option2":null,"option3":null,"sku":"250INDEXSST","requires_shipping":true,"taxable":true,"featured_image":{"id":79628268929398,"product_id":15314282938742,"position":27,"created_at":"2025-11-14T02:00:53+00:00","updated_at":"2025-11-14T02:00:54+00:00","alt":null,"width":1000,"height":1000,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/250INDEXSST_w1_23abfe3d-4bc6-42f6-ba0c-fa9810fa8909.jpg?v=1763085654","variant_ids":[56166732595574]},"available":true,"name":"TIMCO Hex Head Construction  Screws  - A4 Stainless Steel – Fixed Washer for Timber Frame Landscaping - 6.7 x 250mm Hex - Screws - Stainless Steel (Pack Of 25)- 250INDEXSST","public_title":"6.7 x 250mm Hex - Screws - Stainless Steel (Pack Of 25)- 250INDEXSST","options":["6.7 x 250mm Hex - Screws - Stainless Steel (Pack Of 25)- 250INDEXSST"],"price":8638,"weight":1078,"compare_at_price":null,"inventory_management":"shopify","barcode":"5056110833033","featured_media":{"alt":null,"id":67624424145270,"position":27,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/250INDEXSST_w1_23abfe3d-4bc6-42f6-ba0c-fa9810fa8909.jpg?v=1763085654"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":56166732628342,"title":"6.7 x 300mm Hex - Screws - Stainless Steel (Pack Of 25) - 300INDEXSST","option1":"6.7 x 300mm Hex - Screws - Stainless Steel (Pack Of 25) - 300INDEXSST","option2":null,"option3":null,"sku":"300INDEXSST","requires_shipping":true,"taxable":true,"featured_image":{"id":79628269027702,"product_id":15314282938742,"position":30,"created_at":"2025-11-14T02:00:53+00:00","updated_at":"2025-11-14T02:00:54+00:00","alt":null,"width":500,"height":500,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/300INDEXSST_w1_e357d747-d6c3-4af9-87b0-8ceea6b2ccc0.jpg?v=1763085654","variant_ids":[56166732628342]},"available":true,"name":"TIMCO Hex Head Construction  Screws  - A4 Stainless Steel – Fixed Washer for Timber Frame Landscaping - 6.7 x 300mm Hex - Screws - Stainless Steel (Pack Of 25) - 300INDEXSST","public_title":"6.7 x 300mm Hex - Screws - Stainless Steel (Pack Of 25) - 300INDEXSST","options":["6.7 x 300mm Hex - Screws - Stainless Steel (Pack Of 25) - 300INDEXSST"],"price":10662,"weight":2540,"compare_at_price":null,"inventory_management":"shopify","barcode":"5056110833040","featured_media":{"alt":null,"id":67624424243574,"position":30,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/ukfixingsdirect.com\/cdn\/shop\/files\/300INDEXSST_w1_e357d747-d6c3-4af9-87b0-8ceea6b2ccc0.jpg?v=1763085654"}},"requires_selling_plan":false,"selling_plan_allocations":[]}]