Would these be suitable for outdoor use. For decking joists for example.

Not really. But not because they protrude. You said joists not boards so that doesn’t matter. For decking joists you’ll need 80-100mm screws. Coach screws that size would be fine but a bit expensive as you’ll need a lot. 80mm PZ2 will do the job

What is the size of the hez head?

Hi, please see all relevant technical data below. The head size is 11.93mm. Hope this helps. Size (mm) 6.0 x 50 FW Ø (mm) 12.6 Pack Type Box Pack Qty 100 L (mm) 50 Finish Zinc & Yellow Head Type Hex Flange Thread L (mm) 30 Thread Type Single Coarse Thread Ø (mm) 6 Point Type Single Slash Corrosion Rating (1-5) 2 - Occasionally damp/wet, rural and sheltered areas Material Carbon Steel Included Items Socket Driver (Qty 1) Substrates Hardwood, Softwood, Man-Made Board, Brick (with plug) Pack Quantity Unit Pieces Application Framing, Landscaping, Decking, Fencing, Stairs, Roofing, Gazebos, Pergolas, Sleepers Socket Size (mm) 8 CE Standard BS EN 14592:2008 Head Ø (mm) 11.93

Does the 50mm include the size of bolt head. Was looking to use on 47mm thick joists,

screw length is 50mm, total length including the head is 55mm.

Looking to secure mild steel bars to external brickwork, i’ve seen the index range mentioned, will those be ok? if so, which plugs? thanks!

The box states these are for use in timber but I have used them for fixing into brickwork. I hung a metal gate using these for fixing the hanging pins, used a standard plastic plug with a 10mm hole. They have done the job nicely and are secure, also easier to remove and drive due to the hex head.

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Advanced Coach Screw | Hex Flange Head | Slash Point | Yellow | 6.0 x 50 | Box of 100 (650SCSY)

Product ID: 235489385

Details

Material
Carbon Steel
Head Style
Hex
Item dimensions L x W x H
1.97 x 0.24 x
Exterior Finish
Black Oxide
Point Style
slash point

🌲Versatile applications

🔩Heavy-duty strength

⚙️Power tool compatible

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35756CFA

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Sold byAmazon Cote D' IvoireDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔨 Screw it, get it done with style!

💪 BUILT TO LAST - Crafted from durable carbon steel for long-lasting performance.
📦 BULK VALUE PACK - Get 100 screws in one box for all your projects.
🏗️ MULTI PURPOSE USE - Perfect for timber framing, landscaping, decking, and more.
🌟 SLASH POINT PRECISION - Drive with ease and reduce splitting with the aggressive slash point tip.
🔧 UNMATCHED CLAMPING POWER - Experience superior grip with the external hex flanged head.

The TIMCO Advanced Coach Screw is a heavy-duty, versatile solution for various construction needs, featuring a hex flange head and slash point tip for easy driving and reduced wood splitting. Ideal for timber framing, landscaping, and more, this box of 100 screws ensures you have the right tools for any project.

Specifications

Manufacturer	TIMCO
Part Number	650SCSY
Product Dimensions	5 x 0.6 x 0.6 cm; 810 Grams
Item model number	650SCSY
Size	6.0 x 50
Colour	Yellow
Material	Carbon Steel
Item Package Quantity	1
Number of Pieces	100
Head Style	Hex Flange
Measurement System	Metric
Special Features	Flanged
Usage	Wood
Batteries included?	No
Batteries Required?	No
Battery description	Not Included
Item Weight	810 g

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