System B3

System B3

The System

The SBS-450 range of tie bars are manufactured from a high quality stainless steel grade 316 with rolled threads to BS3643. Manufactured to order and available up to 6m lengths. Longer lengths are available by using bar couplers.

SBS-450 Bars are generally used on

  • Membrane Structures
  • Lightweight Steel Structures
  • Footbridges
  • Glass Facades
System B3 Technical Drawing
*in accordance with BS5950-1:2000 and EN 1993-1-8:2005
Product Code Thread (Metric) Ultimate Stress (kN)* Yield Stress (kN)* Stress Area (mm²) 2 Yield Load (kN)* Ultimate Load (kN)*
SBM10 M10 x 1.50 700 450 58 26.1 40.6
SBM12 M12 x 1.75 700 450 54 37.8 58.8
SBM16 M16 x 2.00 700 450 157 70.7 109.9
SBM20 M20 x 2.50 700 450 245 110.3 171.5
SBM24 M24 x 3.00 700 450 353 158.9 247.1
SBM27 M27 x 3.00 700 450 459 206.6 321.3
SBM30 M30 x 3.50 700 450 561 252.6 392.7
SBM33 M33 x 3.50 700 450 694 312.3 485.8
SBM36 M36 x 4.00 700 450 817 367.7 571.9
SBM39 M39 x 4.00 700 450 976 439 638.2

Clevis Pin

Product Code L (mm) OD (mm) HD (mm) C/S Screw
BDHP10 25 10 12.7 M3 x 6
BDHP12 32 12 14 M5 x 12
BDHP16 40 16 19 M5 x 12
BDHP20 50 20 24 M6 x 12
BDHP24 60 24 28 M6 x 12
BDHP27 70 27 28 M6 x 12
BDHP30 75 30 35 M8 x 16
BDHP33 80 33 38 M8 x 16
BDHP36 90 36 42 M8 x 16
BDHP39 100 39 45 M8 x 16
System B3 Clevis Pin

Taper Lock Nut

Product Code TH (mm) OD (mm) L (mm) C (mm)
TLNM10 M10 x 1.50 15 17.0 3.5
TLNM12 M12 x 1.75 19 20.4 3.5
TLNM16 M16 x 2.00 25 27.2 3.5
TLNM20 M20 x 2.50 30 34.0 3.5
TLNM24 M24 x 3.00 36 40.8 3.5
TLNM27 M27 x 3.00 42 45.9 4
TLNM30 M30 x 3.50 45 51.0 4
TLNM33 M33 x 3.50 48 51.0 4
TLNM36 M36 x 4.00 54 61.2 5
TLNM39 M39 x 4.00 60 66.3 5
System B3 Clevis Pin


Technical Data

The Hi-MOD SBS450 bars are manufactured from stainless steel grade 316 EN10088 1.4401/4 which offers higher corrosion resistance. The pins are designed in accordance with BS 5950-1:2000 and EN 1993-1-8:2005. All components are produced at our manufacturing facility in the North of the England using the latest technology in CNC equipment and produced in accordance with our quality systems . Bar lengths are available up to 6m. Lengths exceeding 6m are also available by utilising a bar coupler. All accessories are finished to a N4 standard (240 grit satin). Bars are produced to a bright drawn finish.

NOTE: If the forks are at maximum adjustment then half a diameter of thread will be visible after the Taper Nut has been fully tightened. Modulus of Elasticity 200N/mm2

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