Full thread cylindrical head screw — GWZ

Name: Full thread cylindrical head screw — GWZ
Brand: Rothoblaas
SKU: GWZ6100

Product code: GWZ6100

£6.64 ex VAT — 25 per box

£7.97 inc VAT

£0.27 per unit

Need a large quantity? Request a project quote

Want this kept in UK stock for fast delivery? Tell us — we stock more of what customers ask for. No obligation to buy; we'll let you know when it's on the shelf.

Request this in UK stock →

✓

Delivery sorted in the basket

One clear price · FREE over £500.

🚚

FREE delivery over £500

Tracked delivery UK wide.

🧾

VAT invoice with every order

Full VAT documentation for your records

↩

Returns accepted within 30 days

Unopened stock only · Contact us first

Full thread screw with cylindrical head for concealed fastenings in timber beams, CLT floor and wall panels. The cylindrical head ensures concealed joints with no visible hardware, providing fire protection and seismic performance.

Ideal for joining beams with concealed fastenings — no visible hardware
Designed for stitching joints in CLT floor and wall panels
Cylindrical head — ensures fire protection and seismic performance
Deep thread and high-strength steel for excellent tensile performance
Ideal for building gazebos and deck substructures
CE ETA certified
Drive type: TX30 (6mm) · TX40 (8mm)
Material: Carbon steel, zinc electro-plated
Service class: SC2

Price shown is per box of 25 screws. Select diameter and length to see price.

Material

Carbon steel

Coating

Galvanised / zinc coated

Head type

Cylindrical head

Drive

TX (Torx)

Product range

GWZ

Type

Timber screw

Service class

SC1-SC2

Brand

Rothoblaas

Supplied

Per box (see pack quantity)

Structural reinforcementTimber-to-timberWithdrawal-loaded jointsBeam reinforcementNotch & hole reinforcementGlulam & CLTTruss connectionsPergolas & carportsDeckingFloor & roof framingTimber frame wallsMass timber construction

Technical datasheet

PDF · Opens in new tab · Download from viewer

View datasheet ↗

Working out a whole connection? Get exact box quantities with our Fastener Calculator. Open calculator →

All sizes in the GWZ range

Search by code or size, set quantities, and add any sizes straight to your basket.

Code	Diameter	Length	Pack	Price ex VAT	Stock
GWZ6100	6 mm	100 mm	25 pcs	£6.64	To order
GWZ6120	6 mm	120 mm	25 pcs	£7.07	To order
GWZ6140	6 mm	140 mm	25 pcs	£9.12	To order
GWZ6160	6 mm	160 mm	25 pcs	£11.05	To order
GWZ6180	6 mm	180 mm	25 pcs	£13.87	To order
GWZ6200	6 mm	200 mm	25 pcs	£16.40	To order
GWZ6220	6 mm	220 mm	25 pcs	£18.93	To order
GWZ8100	8 mm	100 mm	25 pcs	£11.20	To order
GWZ8120	8 mm	120 mm	25 pcs	£11.43	To order
GWZ8140	8 mm	140 mm	25 pcs	£13.87	To order
GWZ8160	8 mm	160 mm	25 pcs	£17.60	To order
GWZ8180	8 mm	180 mm	25 pcs	£21.47	To order
GWZ8200	8 mm	200 mm	25 pcs	£24.80	To order
GWZ8220	8 mm	220 mm	25 pcs	£29.20	To order
GWZ8240	8 mm	240 mm	25 pcs	£33.33	To order
GWZ8260	8 mm	260 mm	25 pcs	£37.33	To order
GWZ8280	8 mm	280 mm	25 pcs	£41.47	To order
GWZ8300	8 mm	300 mm	25 pcs	£48.53	To order
GWZ8320	8 mm	320 mm	25 pcs	£54.27	To order
GWZ8340	8 mm	340 mm	25 pcs	£49.20	To order
GWZ8360	8 mm	360 mm	25 pcs	£53.07	To order
GWZ8380	8 mm	380 mm	25 pcs	£56.80	To order
GWZ8400	8 mm	400 mm	25 pcs	£60.67	To order
No sizes match your search.