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Description
A cast 316 stainless post base with a finned spigot that the foot of a 42.4mm post slides over. The 100mm round base bolts down through two slotted holes, and the four-fin spigot, 38.5mm across, goes up inside the post until it sits on the 21mm collar, so the post stands square with a neat ribbed base under it. Standing 120mm tall overall and weighing about 0.74 kg, it is a solid, heavy-duty base for handrail and balustrade posts. Satin 316 suits outdoor, coastal and pool-side work. The price shown is for one base.
What you get
| Sold as | One post base |
|---|---|
| Base | Cast 316 stainless, 100mm round plate 8mm thick with a ribbed centre boss |
| Spigot | 21mm collar with a four-fin spigot 38.5mm across above it, 120mm overall |
| Holes | Two 19 x 10mm slotted fixing holes on an 80mm circle, two 5mm holes |
| Not included | The post and the floor fixings |
Why choose this base
The post goes over the spigot. The fins go up inside the post and the post sits on the collar, so the joint is hidden in the post foot and the post stands true from the start.
Slotted holes for easy setting out. The two 19 x 10mm slots give a little room to line the base up with the run before the bolts are tightened.
Heavy and well braced. An 8mm plate, a 10mm raised boss and four ribs under the collar make a stiff, solid foot at about 0.74 kg, much heavier than a flat plate.
316 grade for outdoors. 316 stainless contains molybdenum, which gives it much better resistance to salt and chlorine than 304, so it is the right choice by the sea, around pools and on exposed entrances.
Specifications
| Material | 316 stainless steel, cast, satin finish |
|---|---|
| Fits | 42.4mm round post, over the spigot |
| Base plate | 100mm across, 8mm thick |
| Boss and neck | 10mm raised boss with four ribs, 3mm neck |
| Collar | 21mm tall |
| Spigot | Four fins, 38.5mm across, 48mm plus a 25mm top section |
| Overall height | 120mm |
| Fixing holes | Two slots 19 x 10mm on an 80mm circle, two 5mm holes |
| Weight | About 0.74 kg |
Is this the right base?
| Your situation | Choose |
|---|---|
| 42.4mm post, slide over a spigot | This 316 base |
| 42.4mm post, weld into a ribbed plate | 316 weld-on post base plate 100mm for 42.4mm |
| 42.4mm post, lowest flat plate | 316 flat weld-on post plate 100mm for 42.4mm |
| 42.4mm post on uneven ground | 316 adjustable base flange for 42.4mm |
| 48.3mm post, ribbed weld-on plate | 316 weld-on post base plate 100mm for 48.3mm |
Fitting
Set out the run and mark each base through its two slots. Drill and fix the bases with stainless anchors or resin anchors to suit the floor, lining them up in the slots before tightening. Slide each post down over the fins until it sits on the collar, check it is plumb and secure it to the spigot as your installer specifies, for example with a structural adhesive or a stainless screw through the post wall. Follow your designer for post spacing and anchor sizes where the rail guards a drop.
Care
Outdoors, rinse the posts and bases with fresh water and wipe them over every few weeks, more often near the sea or a pool, so salt and chlorine do not leave brown tea staining. Use warm soapy water; avoid chlorine bleach, wire wool and scouring pads.
Frequently asked questions
Is the price for one base?
Yes, one base for one post.
Does the post go inside or outside?
Outside. The four-fin spigot goes up inside the post and the post sits on the 21mm collar.
Will it suit any 42.4mm tube?
The fins measure 38.5mm across, so the bore of the post needs to be about that size. Check the inside diameter of your tube against the drawing before ordering, as thick-wall tube has a smaller bore.
Are bolts included?
No. Choose stainless anchors or resin anchors to suit the floor; the slots are 10mm wide.
Will it fit a 48.3mm post?
No, it is sized for 42.4mm. For 48.3mm posts use one of the 48.3mm base plates.
Ordering and delivery
Order online in any quantity, with Express UK Delivery to your site and same-day dispatch on orders before 2pm, Monday to Friday. For a full handrail or balustrade with posts, bases and fittings, call 01744 520 110 or email sales@industrialsuppliesco.co.uk and we will confirm the parts and delivery before you order.
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About Us
Suppliers to Ministry of Defence, NATO, US Airforce and Most UK Councils, Schools, Universities, Hospitals & various Government departments
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