Summary: The 90° Flush Radius Elbow for 1.67-Inch OD Tubing is a 316 stainless flush radius elbow from Lavi Industries for 1.67-inch OD (42.4 mm) handrails. Part number 47-731/424 is sized for .080-inch wall tubing and measures 2.55 inches on each leg. It turns a 90-degree corner on a smooth curve so the grip stays continuous. Finishes are polished 316 stainless and satin 316 stainless, both rated for outdoor use. It is specified on cruise ship corridors, embassy stairs, and coastal commercial rails built to the 42.4 mm size. The 731A/424 is the adjustable version of the same curved elbow. Ships from US inventory.
Key specs: SKU=47-731/424 (47- prefix denotes 316SS-only specialty class within Flush Fittings PF; base SKU 731 = 90° Flush Radius Elbow mechanism family); Tubing OD=1.67" (42.4mm; European DIN/EN shipbuilding and architectural handrail standard); Materials / Finishes=2 finishes: 316-Grade Polished Stainless Steel, 316-Grade Satin Stainless Steel (316SS only at 1.67" OD across entire Flush Fittings PF)
90° Flush Radius Elbow for 1.67-Inch OD Tubing
This radius elbow maintains a continuous grip through the turn in the European rail size: a 1.67" OD (42.4mm), heavy .080"-wall handrail curves smoothly through 90 degrees, so the hand never leaves the rail. It suits interior corridor corners and coastal commercial runs. 316 stainless steel, polished or satin, built for salt-air resistance.

