CSA-S

Screws for Torx head connectors - Stainless steel

CSA-S connector screw is made from A4 marine grade stainless steel. It was developed for installing Simpson Strong-Tie stainless steel connectors to timber, in order to obtain the published load bearing capacities. The conical shape under the head ensures a full contact with the connector which increases the transfer of force. A fixed connection with larger cross-bearing capacity than for standard screws is obtained. The 6 lobe recess helps to fix the screw during insertion.

Find it in the Solid Wood Application >

 

CE Marking
ETA
Service class 3
Stainless steel A4
Severe
Solid Wood

Product Details

Images

QDBPC50E

Features

Material

  • A4 stainless steel

Features

  • ETA approved (ETA-04/0013)
  • T-20 6 lobe drive
  • Conical shape under the head for secure fit in connector holes
  • Type 17 point to prevent splitting of timber
  • 250 screws per box

Application

Suitable On

  • Supporting / Supported member: solid wood, composite lumber, glued-laminated wood.

Common Applications

Fixing stainless steel connectors to timber

  • Stainless steel joist hangers
  • Stainless steel angle brackets
  • Stainless steel straps

Technical Data

Dimensions

Product Dimensions

References Fastener Dimensions [mm] Characteristic capacities - Timber C24 acc to ETA-04/0013 [kN] Stocked in UK Qty/box
l lg d1 d dh Bit Characteristic Lateral Capacities Flat,k [kN] 
/ Material Thickness [kN]
Characteristic Axial Capacity Rax.k [kN]
1.2mm 1.5 to 2.0mm 2.5 to 4.0mm
CSA5.0X25S25193.154.858.3T-201.51.51.4Yes1.5250
CSA5.0X35S35293.154.858.3T-2021.92.1Yes2250
CSA5.0X40S40343.154.858.3T-202.32.22.5Yes2.3250

Characteristic Capacities

References Characteristic Capacities [kN]
Rax,k Rlat,k
CSA5.0X25S1.381.49
CSA5.0X35S2.111.99
CSA5.0X40S2.472.25

Characteristic Capacities - used in timber C24
Rax = axial withdrawal capacity
Rlat = lateral capacity

Certification

Declaration of Performance (DoP)

European Technical Assessment (ETA)

Related Products

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Contact

Simpson Strong-Tie Poland

Simpson Strong-Tie Sp. z o.o.

ul. Karczunkowska 42
02-871 Warszawa
Poland