Technical Specification
Material Standard:Malleable iron, KTH350-10，HB≤150
Surface:Hot-dip Galvanized
Gal. Standard:BS EN1461, ASTM A153
Thickness of galvanization:Min 70μm
Size:A27 B34 C42 D48 E60
Screw:Stainless Steel
Usage:connect, frame,garden handrail fitting
Packing:In cartons then on plywood pallet
| Size | Inner D | Wall Thickness H | Thread L | Thread Size | |
| Diameter | Tolerance（mm） | ||||
| A27 | 27.5 | ±0.5 | 5 | 11.5±0.5 | 1/4BSP |
| B34 | 34.5 | ±0.5 | 5 | 11.5±0.5 | 1/4BSP |
| C42 | 43 | ±1 | 6 | 11.5±0.5 | 1/4BSP |
| D48 | 49 | ±1 | 6 | 11.5±0.5 | 3/8BSP |
| E60 | 61 | ±1 | 6 | 11.5±0.5 | 3/8BSP |
