Nail-In Anchor

The nail-in anchor is a widely used fastener, applied for installing fasteners into building structures made of concrete, brick and other solid materials. The product consists of a polyamide plug, into which a metal screw with thread and a drive slot is screwed.

For more reliable fastening to the material, the plastic plug can be fitted with expansion ribs: they prevent the plug from falling out, even if the hole is slightly larger than required.

Manufacturing and application features

Nail-in anchors are used for fastening various structures to walls and floor/ceiling slabs. The plastic plug acts as an insert that is placed into the drilled hole and securely fixed there. This makes it possible to tightly secure the screw in the wall. Nail-in anchors are used in construction and finishing works.

These products can be installed into a wall in two ways:

• Using a setting (nail) gun. This provides the strongest, tightest connection between the anchor and concrete or brickwork. This tool is used when the connection is not intended to be assembled and disassembled. Anchors for setting guns are made entirely of zinc-plated steel.
• Using hand tools. The plastic plug is driven into the prepared hole with a hammer, and a metal screw for fastening structures is screwed into it. The metal element has a cross recess for driving with a screwdriver or a power screwdriver.

The result is a strong, durable connection capable of withstanding fairly high loads. Nail-in anchors are used for mounting into concrete surfaces and natural stone, and can also be used for thin-sheet materials.

Advantages of using nail-in anchors

This fastener is in demand due to several important advantages:

• Strength and durability of connections. The nail-in anchor provides reliable fastening resistant to loads.
• Corrosion resistance. The plastic plug is resistant to external effects. The zinc-plated steel metal element resists corrosion for a long time.
• Ease of use, high installation speed. With a setting gun, a large volume of work can be completed in minimal time; with hand tools, the task is also solved quickly.

Nail-in anchors are a universal solution for creating a reliable fastening system. They make it possible to attach various structures and profile systems to walls and floor/ceiling slabs with a long service life.

Supply terms

FLOK supplies nail-in anchors in a range of sizes. For large-scale industrial work erecting metal-frame buildings, screw anchors for setting guns are most often used. Installing such fasteners takes significantly less time than manual installation and allows metal to be joined to concrete or brick permanently. Fastening nail-in anchors with a setting gun is used in cases where repeated assembly and disassembly of the structure is not planned. This type of fastener is entirely metal, pointed at the end, with a movable wide washer fitted that quickly shifts toward the head at the moment of driving. The nail-in anchor for setting guns is made of zinc-plated or stainless steel.

For finishing and repair work involving decoration and layout changes to premises, the nail-in anchor for manual installation is most commonly used. Fastening is done with a hammer, and removal with an ordinary cross-head screwdriver. This fastener consists of a nylon, plastic plug with a metal nail. The head, or collar, of the plug comes in different shapes: countersunk, rounded and cylindrical. The collar serves as a stop/limiting element during installation, so that the plug does not fall through into the pre-drilled hole.

When installing a nail-in anchor, the diameter of the hole to be made in the wall must be determined in advance. It must exactly match the diameter of the plastic plug. The hole is drilled with a hammer drill, then the plug is driven in together with the screw using an ordinary hammer. The nail has a cross recess, or PZ Pozidrive slot, at the end, allowing it to be unscrewed from the wall with a screwdriver.

The nail-in anchor is one of the most economical fasteners for quickly mounting thin-sheet metal, wood, and plasterboard structures to concrete, stone or solid brick. This reduces the risk of splitting or cracking in the wall.

Main dimensions

530, 540, 550, 635, 640, 650, 660, 670, 680, 850, 860, 880, 8100, 8120, 8140, 8160, 1080, 10100, 10120, 10140, 10*160.

Main manufacturers

• Sormat nail-in anchor
• Fischer nail-in anchor
• Wurth nail-in anchor
• Mungo screw anchor, nail-in anchor
• Expandet nail-in anchor
• Russia screw anchor, nail-in anchor

Size	SKU LK SP	Anchor length, mm	Drill diameter, mm	Drilling depth, mm	Min. anchorage depth, mm	Max. thickness of fastened material**, mm	Permissible loads in kN* (concrete C20/25) pull-out / shear	Pack, pcs	Weight, kg/1000 pcs
5×30	75678	30	5	40	25	5	0.2 / 0.2	200 / 2000 / 56000	2.3
5×40	75680	40	5	50	30	10	0.2 / 0.2	200 / 2000 / 56000	3.0
5×50	75681	50	5	60	30	20	0.2 / 0.2	200 / 2000 / 56000	3.6
6×40	75679	40	6	50	30	10	0.4 / 0.4	200 / 2000 / 56000	3.8
6×60	75682	60	6	70	30	30	0.4 / 0.4	200 / 2000 / 48000	5.5
6×80	75683	80	6	90	30	50	0.4 / 0.4	100 / 1000 / 28000	7.2
8×60	75684	60	8	70	40	20	0.6 / 0.6	100 / 1000 / 24000	9.6
8×80	75685	80	8	90	40	40	0.6 / 0.6	100 / 1000 / 24000	11.6
8×100	75686	100	8	110	40	60	0.6 / 0.6	100 / 1000 / 24000	14.8

Size	SKU LYT	Anchor length, mm	Drill diameter, mm	Drilling depth, mm	Min. anchorage depth, mm	Max. thickness of fastened material**, mm	Permissible loads in kN* (concrete C20/25) pull-out / shear	Pack, pcs	Weight, kg/1000 pcs
5×30	75623	30	5	40	25	5	0.2 / 0.2	200 / 2000 / 56000	2.6
6×40	75615	40	6	50	30	10	0.4 / 0.4	200 / 2000 / 48000	4.2

• including safety factor 3

** at minimum anchoring depth

Type SKU Anchor length, mm Drill diameter, mm Min. hole depth, mm Thickness of fastened material, mm Pack, pcs Weight, kg/1000 pcs
	yellow brown white black grey
5/35	75640	75641	75644	75645	75648	35	5	35	5	200 / 2000 / 56000	3.0
5/45	75642	75643	75646	75647	75649	45	5	35	15	200 / 2000 / 48000	3.6

Size Diameter, mm Length, mm Max. thickness of fastened material, mm Min. drilling depth, mm Min. anchoring depth, mm Permissible pull-out load in concrete B25, kN Pack, pcs Weight, g/pack Code
5×30	5	30	5	40	25	0.2	600	1380	44570
5×30	5	30	5	40	25	0.2	4000	9200	44262
5×50	5	50	20	60	30	0.2	400	1440	44571
5×50	5	50	20	60	30	0.2	2000	7200	44263
6×40	6	40	10	50	30	0.4	250	925	44572
6×40	6	40	10	50	30	0.4	2000	7400	44264
6×60	6	60	30	70	30	0.4	200	1120	44573
6×60	6	60	30	70	30	0.4	1000	5600	44265
6×80	6	80	50	90	30	0.4	150	1155	44574
6×80	6	80	50	90	30	0.4	800	6160	44266
8×60	8	60	20	70	40	0.6	100	950	44575
8×60	8	60	20	70	40	0.6	500	4750	44267
8×80	8	80	40	90	40	0.6	100	1280	44576
8×80	8	80	40	90	40	0.6	400	5120	44268
8×100	8	100	60	110	40	0.6	90	1431	44577
8×100	8	100	60	110	40	0.6	400	6360	44269

Size SKU LK RST Anchor length, mm Drill diameter, mm Drilling depth, mm Min. anchoring depth, mm Max. thickness of fastened material**, mm Permissible loads in kN* (concrete C20/25) pull-out / shear Pack, pcs Weight, kg/1000 pcs
5×30	75691	30	5	35	25	5	0.2 / 0.2	200 / 2000 / 56000	3.0
6×40	75692	40	6	50	30	10	0.4 / 0.4	200 / 2000 / 56000	4.2
6×80	75693	80	6	90	30	50	0.4 / 0.4	100 / 1000 / 28000	7.2
8×80	75694	80	8	90	40	40	0.6 / 0.6	100 / 1000 / 24000	11.6

• including safety factor 3

** at minimum anchoring depth

Size Diameter, mm Length, mm Max. thickness of fastened material, mm Min. drilling depth, mm Min. anchoring depth, mm Permissible pull-out load in concrete B25, kN Pack, pcs Weight, g/pack Code
5×30	5	30	5	40	25	0.2	600	1380	44578
5×30	5	30	5	40	25	0.2	4000	9200	44270
5×50	5	50	20	60	30	0.2	400	1440	44579
5×50	5	50	20	60	30	0.2	2000	7200	44271
6×40	6	40	10	50	30	0.4	250	930	44580
6×40	6	40	10	50	30	0.4	2000	7440	44272
6×60	6	60	30	70	30	0.4	200	1164	44581
6×60	6	60	30	70	30	0.4	1000	5820	44273
6×80	6	80	50	90	30	0.4	150	1118	44582
6×80	6	80	50	90	30	0.4	800	5960	44274
8×60	8	60	20	70	40	0.6	100	947	44583
8×60	8	60	20	70	40	0.6	500	4735	44275
8×80	8	80	40	90	40	0.6	100	1280	44584
8×80	8	80	40	90	40	0.6	400	5120	44276
8×100	8	100	60	110	40	0.6	90	1431	44585
8×100	8	100	60	110	40	0.6	400	6360	44277
8×120	8	120	80	130	40	0.6	90	1752	44586
8×120	8	120	80	130	40	0.6	400	7788	44278
8×140	8	140	100	150	40	0.6	60	1250	44587
8×140	8	140	100	150	40	0.6	300	6249	44279
8×160	8	160	120	170	40	0.6	60	1468	44588
8×160	8	160	120	170	40	0.6	300	7338	44280