Component catalogue

Chair components, by the spec row

Everything here goes inside someone else’s chair. Pick a category to see full diagrams and tables, or scan the cards below. Part numbers are ours; private-label versions carry yours.

Mechanisms — Series 7

SEAT MECH · SERIES 7 SEAT PLATE · 2.5mm STEEL TENSION KNOB LOCK LEVER PIVOT HOLE PITCH 200 / 160 mm
SEAT MECH · SERIES 7

ZT-S7 Synchro-Tilt

Synchro mechanism with 2:1 seat-to-back recline, 4-position lock and adjustable back-stop. The workhorse for mid-to-high task chairs.

Recline lock4 positions + free-float
Seat travel50 mm slider option
Plate steel2.5 mm cold-rolled
Hole pitch200×200 / 160×200 mm
SEAT MECH · KNEE SEAT PLATE · 2.5mm STEEL TENSION KNOB LOCK LEVER PIVOT HOLE PITCH 200 / 160 mm
SEAT MECH · KNEE

ZT-K Knee-Tilt

Forward pivot point keeps heels on the floor through recline — preferred for executive and conference seating.

PivotFront (knee) axis
TensionSingle-turn knob
Lock5-position
Plate steel3.0 mm
SEAT MECH · MULTI SEAT PLATE · 2.5mm STEEL TENSION KNOB LOCK LEVER PIVOT HOLE PITCH 200 / 160 mm
SEAT MECH · MULTI

ZT-M Multi-Function

Independent seat-angle and back-angle adjustment with seat-depth slider. For spec-driven ergonomic programmes.

Adjust axesSeat + back independent
Seat depth60 mm slide
LockInfinite (gas-assist)
Plate steel2.5 mm
SEAT MECH · BUDGET SEAT PLATE · 2.5mm STEEL TENSION KNOB LOCK LEVER PIVOT HOLE PITCH 200 / 160 mm
SEAT MECH · BUDGET

ZT-B Butterfly

Economical fixed-pivot tilt with tension and upright lock — built to hit price points on volume task chairs without dropping the load rating.

ReclineSingle-pivot rock
LockUpright + free
TensionCoil spring
Plate steel2.0 mm

Five-star bases — Series 5

BASE · POLISHED Ø 700 mm SPAN · 5-ARM COLUMN BORE Ø50
BASE · POLISHED

ZT-A700 Cast-Alu Base

Pressure-cast aluminium five-star base, 700 mm span, polished or powder-coated. The premium look for executive lines.

Span700 mm (Ø)
MaterialADC12 aluminium
FinishPolish / powder / paint
Column boreØ50 taper
BASE · NYLON Ø 700 mm SPAN · 5-ARM COLUMN BORE Ø50
BASE · NYLON

ZT-N680 Nylon-Glass Base

30% glass-filled nylon base — light, corrosion-free and cost-effective for office and home-office volume.

Span680 mm
MaterialPA6 + 30% GF
ColourBlack / custom
Castor boreØ11 / Ø10
BASE · STEEL Ø 700 mm SPAN · 5-ARM COLUMN BORE Ø50
BASE · STEEL

ZT-C660 Steel Base

Welded steel five-star base with chrome or paint finish for heavy-duty and 24/7 seating.

Span660 mm
MaterialQ235 steel tube
FinishChrome / paint
RatingHeavy-duty

Gas lifts & other parts

GAS LIFT · CLASS 4 PISTON ROD Ø28 CYLINDER · CLASS 4 TAPER 2°/M (1:10) STROKE 100–200 mm
GAS LIFT · CLASS 4

ZT-G Gas Lift

SGS / BIFMA-style tested pneumatic cylinders, Class 3 and Class 4, multiple stroke lengths and taper standards.

ClassSGS Class 3 / 4
Stroke100 / 140 / 160 / 200 mm
Taper2°/M (1:10)
RodØ28 hard-chrome
APPLIANCE · OEM PISTON ROD Ø28 CYLINDER · CLASS 4 TAPER 2°/M (1:10) STROKE 100–200 mm
APPLIANCE · OEM

ZT-W Appliance Bracket

Stamped and formed metal components for washing machines and white-goods assemblies, built to customer drawings.

ProcessStamp + weld + coat
MaterialSPCC / SECC
Tolerance±0.2 mm typ.
ToolingCustomer / shared
ARMREST · PP/STEEL PISTON ROD Ø28 CYLINDER · CLASS 4 TAPER 2°/M (1:10) STROKE 100–200 mm
ARMREST · PP/STEEL

ZT-AR Armrest Core

PP-over-steel armrest cores, fixed and height-adjustable, for pairing with our mechanisms as a kit.

TypeFixed / 1D / 3D
CoreSteel + PP shell
PadPU option
FitUniversal / custom

Catalogue items are a starting point, not the whole tool library — if you need a non-standard stroke, span or mounting pitch, send the drawing and we will quote the variant.

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Email us the component, your target load or cycle rating and a monthly volume. An engineer replies within one business day.

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