Mathey Dearman 3SA Saddle Machine - Manual (Page 6)

6
12” Pipe 14” Pipe
16” Pipe
18” Pipe 20” Pipe
Picture 2 – Spacer Bolt Installation
Spacer Bolt Length Calculation
Bore (inside diameter) of 4SA
Machine Saddle 20‐3/8” (517.5mm)
Subtract actual OD of pipe 16” (406.4mm
)
Difference 4‐3/8” (111mm)
Divide Difference by two (2) 4‐3/8” ÷ 2 = 2‐3/16” (55.6mm)