Threaded plugs
FLOK supplies threaded plugs for metric and inch threads, of various types and sizes — for sealing pipelines, machine tool building, and system repairs.
Threaded plugs are used to seal unused openings and branches in pipelines and other structures. Leaving such openings unsealed is unsafe. Plugs are also used as technological caps, and for forming ties or supports made of concrete or wood. Certain variants are designed for thread calibration and restoring damaged threads.
They are made of high-strength steel or brass — this provides corrosion resistance and durability in aggressive environments.
Buy threaded plugs
There are plugs with internal and external threads. Plugs with internal threads are usually fitted with a hex head for use with a wrench.
There are many variations: conical, with collars, for internal hex keys, with collars for releasing excess air, and others. Visually, plugs are generally similar — made as a cylinder with a thread. The thread can be metric or inch — this is important to consider when selecting a size.
The applications of threaded plugs are broad. Pipelines regularly require repairs, and during this time the supply of the transported substance must be shut off. A threaded plug seals the passage tightly, while being simple to install and remove.
Plugs are used not only in industry but also in everyday life — for example, when repairing heating or water supply systems, without welding or similar techniques.
A separate field of application is machine tool building. Machine tool units (headstocks and tailstocks, beds, gearboxes and transmission boxes, carriages) require lubrication of internal gears for reliable operation. Oil is supplied from above, and used lubricant drains from the bottom. Threaded plugs are screwed onto the necks of lubricant containers.
Plugs are screwed on with a wrench or by hand — this depends on the shape of the cap. For reliable tightening, hex or square plugs are used with the corresponding wrench.
The range of variations is wide: conical plugs with recesses for wrenches, conical plugs with internal threads, plugs with collars made of metals, alloys, or durable engineering plastics, as well as plugs shaped as closure caps.
Sections
- 01
DIN 908 Plug with Collar, with Hex Socket
FLOK supplies DIN 908 plugs with collar made of brass and A4 stainless steel to GOST 2S98-4-73 for sealing process channels, in wholesale lots.
- 02
DIN 906 Conical Plug with Hex Socket
DIN 906 is a conical plug with hex socket made of A2, A4 steel or brass, with zinc plating on request.
- 03
DIN 910 Hexagon Head Plug with Collar
FLOK supplies DIN 910 collar plugs with hexagon head — zinc-plated steel, stainless A2, A4, thread M10×1–M30×2, 1/8–1 3/4 inch.
- 04
DIN 443 Press-Fit Cap
FLOK supplies steel DIN 443 press-fit caps, diameter from 8 to 50 mm, plain or with anti-corrosion coating.
- 05
DIN 7604 Threaded Plug with Hex Head and Flange
Threaded plug with hex head and flange DIN 7604, forms A and C, metric fine thread.
- 06
DIN 909 Tapered Threaded Plug
FLOK supplies DIN 909 tapered threaded plugs with hexagon head and metric fine or inch thread, in steel 5.8, zinc-plated steel, stainless A1–A5 and brass.
- 07
DIN 442 Rolled-in Closure Cap, Steel
DIN 442 rolled-in steel closure cap, nominal diameter 16–50 mm, closes end holes in machine building, instrument making and electrical engineering.
- 08
Round plastic blanking plug RACO
FLOK supplies round plastic RACO blanking plugs made of polyamide for pipes with diameter from 6 to 16 mm, in white, brown, black, grey, and beige colors.
- 09
Plastic Cap AK
Square-shaped plastic cap AK for profile tubes.
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