

The Stainless Steel Handrail Support Stem (M8 base thread) is a precision-machined vertical extension rod designed to connect mounting posts or wall fittings to upper handrail saddle plates. Engineered for modular balustrade assemblies, this straight support pillar elevates handrail tubes to a standardized clearance height while providing high mechanical rigidity and a clean architectural finish.
Featuring a solid ∅ 12 mm cylindrical body profile, this support stem includes an M8 male threaded stud at the base for anchoring directly into post end caps, glass standoff hardware, or wall mounting flanges. The top end of the stem incorporates an M6 internal female thread designed to receive countersunk screws for securing flat or curved saddle plates. Available in multiple stem length (H = 70 mm / 90 mm) options, this component is precision-manufactured from high-grade stainless steel options—AISI 304, AISI 316, and Duplex SS 2205—and offered in brushed satin (matte) or mirror-polished (shiny) finishes. These versatile railing fittings serve as an essential structural link across modular handrail support systems.
|
Category |
Part NO. |
Ø |
H |
Material |
Surface |
Place of Production |
|
Handrail Supports |
F009.12.00 |
12mm |
70mm |
AISI 304, 316 or Duplex SS 2205 |
Satin or Mirror polished |
Shandong, China |
|
Handrail Supports |
F009.12.01 |
12mm |
90mm |
1. Tube Thickness: 2.0mm or 2.6mm
2. Manufacturing Process: Investment Casting + Precision Machining+Polishing
3. Application Scenario: Hotel, Villa, Apartment, Office Building, Hospital, School, Mall, Sports Venues, Leisure Facilities, Supermarket, Warehouse, Workshop, Park, Wine Cellar, Entry, etc.
4. Use Place: Bridge Railings / Handrails, Deck Railings / Handrails, Porch Railings / Handrails, Stair Railings / Handrails
5. Certificate: ISO9001:2015
6. Engineering Solution Capability: Graphic Design, 3d Model Design, Total Solution For Projects, Others
7. Certificates: Material Certificates, Dimension Inspection Certificate
8. Lead Time : 45days for samples making +50days batch production after railing support samples approved
9. Warranty Service: 1 Year
10. After-sales Service: Online Technical Support, Return And Replacement
Q1: What is the primary function of an M8 Handrail Support Stem?
A: An M8 Handrail Support Stem acts as a solid vertical connecting rod between lower mounting hardware (such as post caps or wall flanges) and upper handrail saddle plates.
Q2: How is the saddle plate secured to the top of the stem?
A: The top end of the stem features an internal M6 female thread, allowing standard M6 countersunk screws to fasten flat or curved handrail saddle plates securely in place.
Q3: How does the base of the stem connect to the supporting post or flange?
A: The base of the stem incorporates an M8 male threaded stud that screws directly into pre-tapped M8 receiver holes on post end caps, glass standoff fittings, or wall brackets.
Q4: Which stainless steel material grade is recommended for outdoor or coastal use?
A: Select AISI 316 or Duplex SS 2205 stainless steel for outdoor, coastal, or severe marine environments to ensure maximum protection against chloride pitting, salt spray, and atmospheric rust.