Product Datasheet

Tandem Box Drawer Slide

Series A-11 / A-12 / A-13

Doc No.: DS-TANDEM-EN
Rev.: 1.0 | 2026

Code No. A-11 — Low Drawer

P-type · Side panel 68 mm · Min. drawer height 83 mm

Code No. A-12 — Middle Drawer

G-type · Side panel 127 mm · Min. drawer height 142 mm

Code No. A-13 — High Drawer

GH-type · Side panel 180 mm · Min. drawer height 195 mm

Key Features

Self-closing with adjustable damping — automatically retracts

Built-in high-quality ball bearings — smooth and quiet

Optional bracket connection — easy installation

General Specifications

Product Type	Concealed tandem box drawer slide (undermount / side-mounted steel drawer system)
Material	High-quality cold-rolled steel
Finish	Grey / White epoxy coating
Installation	Concealed drawer — side panel steel box system
Length (Nominal)	11 / 12 / 14 / 16 / 18 / 20 / 22 inch (300–550 mm)
Closing Action	Soft-close damper, adjustable, automatic retraction
Adjustment	3D adjustable — height, side (L/R), tilt; range ±3 mm
Durability Test	Passed 90,000 open-close cycles
Package	6 pairs / export carton
HS Code	8302.4190 — Base mount fittings for furniture, other

Technical Specification

Tandem Box — Engineering Data

TS-TANDEM-EN

Rev.: 1.0 | 2026

Model Range (mm)

Model	Series Length	Min. Cabinet Depth	Drawer Height
P-type — Low Drawer (A-11)
P300	300	320	83
P350	350	370	83
P400	400	420	83
P450	450	470	83
P500	500	520	83
P550	550	570	142*
G-type — Middle Drawer (A-12)
G300	300	320	142
G350	350	370	142
G400	400	420	142
G450	450	470	142
G500	500	520	142
G550	550	570	142

Cut-out Dimensions

Back panel width = Cabinet inner width − 92 mm
Back panel height (×16 mm thick):
  P-type = 68 mm
  G-type = 127 mm
  GH-type = 180 mm
Bottom board width = Cabinet inner width − 80 mm
Bottom board depth = Series length − 8 mm

GH-type (A-13, high drawer) available on request — side panel 180 mm, min. drawer height 195 mm.

Cross-section — P / G / GH types (not to scale)

Slide Hole Position (mm)

Cabinet Length	Front Hole (from edge)	Bracket Spacing
270	37 / 99 / 32	178
300	37 / 99 / 32	192
350	37 / 99 / 32	192
400	37 / 99 / 32	192
450	37 / 99 / 32	192
500	37 / 99 / 32	192
550	37 / 99 / 32	224

Hole diameter: Ø5 mm × 7 mm (counterbore). Front mounting: 37 mm from inner cabinet front edge.

Package Contents

Components Included

1 pair drawer slide (high grade)
1 set mounting screws
2 plastic end caps
1 buffer (soft-close)

Accessories Included

Installation instruction manual
Product qualification certificate

HS Code: 8302.4190 | Packing: 6 pairs / carton