ESCRFTZ

Fully Threaded Cylinder Head Structural Screw

The ESCRFTZ cylindrical head structural wood screw with full thread can be used for timber framing, framework and reinforcement. These ETA approved structural screws are designed for load-bearing timber structures.

CE Marking
ETA
Service class 2
Yellow electro-galvanised steel
Indoor
EPD
Fastener Designer

Product Details

Images

Features

Material

  • Steel - electogalvanised yellow zinc coating

Features

  • ETA approved (ETA-13/0796)
  • No pre-drilling required
  • High withdrawal resistance
  • Fully Threaded
  • Cylinder head

Application

Suitable for

  • Solid Timber, Glulam timber, CLT, Wood-based panels

Common Applications

  • Timber to timber applications
  • Timber reinforcement

Technical Data

Dimensions

Product Dimensions

References Fastener Dimensions [mm] Driver Bit Weight [kg]
d l dh d1 lg
ESCRFTZ8.0X120812010.25.1110T-400.025
ESCRFTZ8.0X14014010.25.1130T-400.032
ESCRFTZ8.0X16016010.25.1150T-400.007
ESCRFTZ8.0X18018010.25.1170T-400.008
ESCRFTZ8.0X20020010.25.1190T-400.008
ESCRFTZ8.0X22022010.25.1210T-400.009
ESCRFTZ8.0X24024010.25.1230T-400.01
ESCRFTZ8.0X26026010.25.1250T-400.011
ESCRFTZ8.0X28028010.25.1270T-400.012
ESCRFTZ8.0X30030010.25.1290T-400.012
ESCRFTZ8.0X35035010.25.1340T-400.014
ESCRFTZ8.0X40040010.25.1390T-400.017

Product characteristic properties

References Yield Moment – My,k [Nm] Withdrawal Parameter - fax,k [N/mm²] Characteristic tensile capacity - ftens,k [kN] Torsional Strength ftor,k [kN]
ESCRFTZ8.0X12020.313.124.1-
ESCRFTZ8.0X14020.313.124.1-
ESCRFTZ8.0X16020.313.124.1-
ESCRFTZ8.0X18020.313.124.1-
ESCRFTZ8.0X20020.313.124.1-
ESCRFTZ8.0X22020.313.124.1-
ESCRFTZ8.0X24020.313.124.1-
ESCRFTZ8.0X26020.313.124.1-
ESCRFTZ8.0X28020.313.124.1-
ESCRFTZ8.0X30020.313.124.1-
ESCRFTZ8.0X35020.313.124.1-
ESCRFTZ8.0X40020.313.124.1-

Abacus

Crossed pairs of screws - characteristic capacities

References Crossed pair of screws - characteristic capacities
Header Joist Characteristic capacities (Pull-out / Buckling) Rv.pair = min(Rw.k.pair ; Rbuck.k.pair) [kN]
bh min [mm] hj min [mm] 1 pair 2 pairs 1 pair 2 pairs
bj min [mm] bj min 2 [mm] Rw.k.pair [kN] Rbuck.k.pair [kN] Rw.k.pair [kN] Rbuck.k.pair [kN]
ESCRFTZ8.0X12064128841247.413.7 + 13.99 /kmod13.826.91 + 26.11 /kmod
ESCRFTZ8.0X14064128841248.894.44 + 13.99 /kmod16.598.29 + 26.11 /kmod
ESCRFTZ8.0X160671288412410.375.18 + 13.99 /kmod19.359.67 + 26.11 /kmod
ESCRFTZ8.0X180741408412411.855.92 + 13.99 /kmod22.1211.06 + 26.11 /kmod
ESCRFTZ8.0X200811548412413.336.66 + 13.99 /kmod24.8912.44 + 26.11 /kmod
ESCRFTZ8.0X220881688412414.827.41 + 13.99 /kmod27.6513.82 + 26.11 /kmod
ESCRFTZ8.0X240951828412416.38.15 + 13.99 /kmod30.4215.21 + 26.11 /kmod
ESCRFTZ8.0X2601021968412417.788.89 + 13.99 /kmod33.1816.59 + 26.11 /kmod
ESCRFTZ8.0X2801092108412419.269.63 + 13.99 /kmod35.9517.97 + 26.11 /kmod
ESCRFTZ8.0X3001172258412420.7410.37 + 13.99 /kmod38.7119.35 + 26.11 /kmod
ESCRFTZ8.0X3501342608412424.4512.22 + 13.99 /kmod45.6322.81 + 26.11 /kmod
ESCRFTZ8.0X4001522958412428.1514.07 + 13.99 /kmod52.5426.27 + 26.11 /kmod

Certification

Declaration of Performance (DoP)

European Technical Assessment (ETA)

eta-13-0796.pdf (4.21 MB)

CAD and BIM Library

2D
3D

ZIP Packages

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Contact

Simpson Strong-Tie U.K.

Simpson Strong-Tie

Cardinal Point, Winchester Road
Tamworth
Staffordshire
B78 3HG
United Kingdom