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Drawer Slides
Concealed Undermount

Full Extension

→ Side Mounted

> Weight capacity: 35 kg (75 lbs.)/pair
> For drawer material:13–16 mm (1/2"–5/8") or 19 mm (3/4")
> Integrated soft close mechanism
> Rear face frame mounting bracket available
> BHMA grade 1 tested
> Material: Steel, galvanized

Length 16 mm 19 mm
305 (12") 433.10.381 433.10.481
Flat Head VARIANTA 381 (15") 433.10.383 433.10.483
#8 5 457 (18") 433.10.385 433.10.485
533 (21") 433.10.387 433.10.487
Cabinet edge
Formula for calculating drawer width
305 (12")
Installation for drawer with max 16 mm (5/8") thick drawer side
305 (12") LW = Internal cabinet width SKW = Internal drawer width
min 7 (1/4") SKW = LW - 41 (1 5/8") max 16
381 (15")
381 (15") 12 (1/2") (5/8") min 37 (1 7/16")
457 (18")

457 (18") Installation for drawer with max 16 mm (5/8") thick drawer side 21 21
LW = Internal cabinet width SKW = Internal drawer width (13/16") min 27 (1 1/16") (13/16")
533 (21")
min 7 (1/4") SKW = LW - 41 (1 5/8") max 16 LW
533 (21") 12 (1/2") (5/8") Installation for drawer with max 19 mm (3/4") thick drawer side
16
23
23
4 32 96 96 96 96 LW = Internal cabinet width SKW = Internal drawer width
24
(5/8")
(7/8")
(7/8")
(3/16") (1 1/4")(3 3/4") (3 3/4") (3 3/4") (3 3/4") min 37 (1 7/16") SKW = LW - 49 (1 15/16") (15/16")
max 19
8 (1 7/16") (8 13/16") (7 9/16") (2 1/2") min 7 (1/4")
64
224
192
37
(9/16")
21 21 6.7 (1/4") 15 12 (1/2") (3/4")
(13/16") min 27 (1 1/16") (13/16") min 37 (1 7/16")
→ Front Locking Clips LW 25 25 SKL
Drawer Slides (5/8") (7/8") (7/8") (15/16") → Face Frame Mounting Brackets (1")
(1 1/16")
16
min 27
23
23
24
(1/2")
(1")
12
LW
(9/16")
16
drawer with max 16 mm (5/8")
(1/4")
23
23
15
24
6.7
(5/8")
2D
thick drawer side
40
SKL (7/8") (7/8") 1.5 (15/16")
(1 5/8")
6.7 (1/4") 18 (11/16")
(1/2")
12 50
(2") SKL Dimensional data not binding. Dimensions in mm, inches are approximate. We reserve the right to alter specifications without notice.
3D drawer with max 16 mm (5/8")
78
thick drawer side 12 (1/2") (3 1/8")
> Height adjustment: 0 - +3 mm (1/8")
> Side adjustment: ±1.5 mm (1/16") > Material: Steel drawer with max 19 mm (3/4")
> Depth adjustment: 0 - +3 mm (1/8") thick drawer side
> Material: Plastic; Color: gray
Finish Item No.
zinc-plated 421.38.010
Version Item No.
2D 433.10.026
3D 433.10.027
Flat head screws pages 12.7-12.8, 12.10, 12.13
Varianta screws page 12.16
FC 8.76 www.hafele.com/us