Full thread cylindrical head screw — GWZ

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

Product code: GWZ6100

£6.60 ex VAT — 25 per box

£7.92 inc VAT

£0.26 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 just let you know when it's available next-day.

Request this in UK stock →

✓

In stock: ships in 1–2 working days

From UK stock. Not in stock? Ordered direct from Italy, usually 5–7 days.

🚚

Free UK delivery over £250

Under £250 — flat £15. Need it by a set date? Message us before ordering.

🧾

VAT invoice sent automatically

PDF emailed on order confirmation

↩

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
GWZ6100	6 mm	100 mm	25 pcs	£6.60
GWZ6120	6 mm	120 mm	25 pcs	£7.01
GWZ6140	6 mm	140 mm	25 pcs	£9.05
GWZ6160	6 mm	160 mm	25 pcs	£10.96
GWZ6180	6 mm	180 mm	25 pcs	£13.73
GWZ6200	6 mm	200 mm	25 pcs	£16.27
GWZ6220	6 mm	220 mm	25 pcs	£18.80
GWZ8100	8 mm	100 mm	25 pcs	£11.12
GWZ8120	8 mm	120 mm	25 pcs	£11.33
GWZ8140	8 mm	140 mm	25 pcs	£13.73
GWZ8160	8 mm	160 mm	25 pcs	£17.33
GWZ8180	8 mm	180 mm	25 pcs	£21.20
GWZ8200	8 mm	200 mm	25 pcs	£24.53
GWZ8220	8 mm	220 mm	25 pcs	£28.93
GWZ8240	8 mm	240 mm	25 pcs	£32.93
GWZ8260	8 mm	260 mm	25 pcs	£37.07
GWZ8280	8 mm	280 mm	25 pcs	£41.20
GWZ8300	8 mm	300 mm	25 pcs	£48.00
GWZ8320	8 mm	320 mm	25 pcs	£53.87
GWZ8340	8 mm	340 mm	25 pcs	£48.80
GWZ8360	8 mm	360 mm	25 pcs	£52.67
GWZ8380	8 mm	380 mm	25 pcs	£56.40
GWZ8400	8 mm	400 mm	25 pcs	£60.13
No sizes match your search.