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plate for a 18 in slide between two 1515 uprights

plate for a 18 in slide between two 1515 uprights: two Ø8.73 holes each end, Ø4.2 tap-size holes every 32 mm along the centre

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

length_in	18
height_mm	45.0
thickness_mm	12.7

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From the full sheet

Drawer slides for 15-series benches: 12 to 24 in slide envelopes and slide-to-upright plates: every size, notes, mating features and sources. How do I mount drawer slides on a T-slot frame?

Other sizes

12 in side-mount ball-bearing slide envelope (closed), 45 × 12.7 mm, Ø4.5 holes every 32 mm (check your slide)
plate for a 12 in slide between two 1515 uprights
14 in side-mount ball-bearing slide envelope (closed), 45 × 12.7 mm, Ø4.5 holes every 32 mm (check your slide)
plate for a 14 in slide between two 1515 uprights
16 in side-mount ball-bearing slide envelope (closed), 45 × 12.7 mm, Ø4.5 holes every 32 mm (check your slide)
plate for a 16 in slide between two 1515 uprights
18 in side-mount ball-bearing slide envelope (closed), 45 × 12.7 mm, Ø4.5 holes every 32 mm (check your slide)
20 in side-mount ball-bearing slide envelope (closed), 45 × 12.7 mm, Ø4.5 holes every 32 mm (check your slide)
plate for a 20 in slide between two 1515 uprights
22 in side-mount ball-bearing slide envelope (closed), 45 × 12.7 mm, Ø4.5 holes every 32 mm (check your slide)
plate for a 22 in slide between two 1515 uprights
24 in side-mount ball-bearing slide envelope (closed), 45 × 12.7 mm, Ø4.5 holes every 32 mm (check your slide)
plate for a 24 in slide between two 1515 uprights