Buy stainless steel support pins | M6, M8, M10 & joints for handrails

Support pins & connecting pins: The key component for your handrail

The support pin (often referred to as a connecting pin in technical jargon) is the crucial adapter piece between the baluster and the handrail bracket. It determines not only the stability but also the installation method of your railing.

In this category, you will find a wide selection of stainless steel pins for every application: from screw-in DIY solutions with threads to professional weld-on pins for a seamless, invisible connection.

Installation methods: welding or screwing?

Before choosing the shape, the type of fastening is crucial. We distinguish between two main groups:

1. Support pins for welding (for professionals)

For a particularly elegant, seamless look, metalworkers rely on welded joints. These posts have no thread at the connection points, but a smooth shaft made of raw stainless steel.

Welded on both sides: The pin is welded at the bottom to the post (or the round plate) and at the top to the bracket. Maximum stability, no visible seams.
Combination pins (1x for welding / 1x threaded): A hybrid solution. Example: An M8 thread at the bottom for screwing into the post, a smooth end at the top for welding the bracket (or vice versa).

2. Threaded support pins (for screwing)

Ideal for quick installation and flexible interchangeability. These connecting pins feature metric threads (usually M6 or M8).

External thread (AG): For direct screwing into posts with internal threads.
Internal thread (IG): For screwing onto stud bolts or threaded rods.
Double thread: Variants with "1x external & 1x internal thread" often serve as adapters between different components.

Shapes & functions: Which pin do you need?

After the fixing method, the structural situation determines the shape of the pin:

Straight pins (standard): The classic connection for horizontal handrails on balconies or galleries.
Hinged pins (adjustable): Indispensable for stair railings. Thanks to the integrated hinge, the bracket can be adjusted precisely to the pitch of the stairs (available in both round and square versions).
Angled & curved pins: When the handrail is not to sit centrally above the post. Variants such as ‘2x curved’ or ‘135° curved’ allow for lateral offset or clean corner solutions.
Designer pins (conical & square): For modern architecture. Conical pins have a more delicate appearance, whilst square pins fit perfectly with square tube systems.
Pins for bending: Special pins with a tapered waist, allowing the angle of inclination to be individually bent on site.

Material tip: V2A or V4A?

Our weld-on and threaded pins are available in two grades of material. For indoor use, opt for the cost-effective V2A (AISI 304) stainless steel. For outdoor use, particularly near the coast or in swimming pool areas, please choose our highly corrosion-resistant V4A (AISI 316) connecting pins.