Type ST - with fixed steel pin
Type MS - with fixed brass pin
Type STL - with loose steel pin
Type STS - with fixed steel pin and lubricating nipple
GN128 Hinge, Steel, Welded Mount, Optional Lubricating Nipple
Hinges GN 128 are produced from drawn weldable profiled steel extrusions, resulting in a strong, cost effective hinge.
Types ST, STS and MS feature a hinge pin fixed in the lower half of hinge. Type STL with loose steel pin allows easy installation when attaching several hinges in parallel or if the door is very heavy.
The upper half of Type STS hinge has an additional lubricating nipple DIN71412-D which allows the hinges to be lubricated without dismantling the hinges.
Pin - Steel. blank (Type ST / STS / STL)
Pin - Brass, turned, blank (Type MS)
Washer - brass
Lubricating nipple DIN 71412-D - steel, zinc plated