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Fasteners & Hardware

Self-tapping Screws for Wood

Self-tapping screws for wood in various coatings, head shapes and thread types. FLOK supplies them for construction, renovation and furniture assembly.

A self-tapping screw for wood is distinguished from other similar products by its wide thread pitch. This design feature promotes quick removal of wood chips from the hole as the fastener is driven in, and better engagement with the walls of the pilot hole. In appearance, the product is a threaded shaft with a head. It is intended for use in various branches of industry, manufacturing, construction, and household applications.

Types of self-tapping screws for wood

This is a large product group of metal fasteners made from high-strength steel. They are divided into several types, differing in various characteristics:

  1. Surface coating. Oxidized (black oxide) screws are black in color and are most often used under simple conditions for joining wooden elements with low load requirements.

Zinc-plated (white) and chromated (yellow) screws are designed for joining structures and parts made of hardwood, chipboard, and OSB.

  1. Head configuration. The most popular self-tapping screws for wood are those with a flat-top head fitted with a slot or cross recess. They are easily driven into wood with an ordinary screwdriver or a power driver fitted with the right bit. A separate category consists of so-called “lag screws.” These are larger in size and have a hexagon head for use with a wrench. These fasteners are usually used in furniture assembly.
  2. Overall dimensions. The thickness and length of self-tapping screws for wood vary over a wide range. The outer thread diameter can range from 2.2 to 6 mm, and the length from 11 to 200 mm.
  3. Thread pitch. Coarse-pitch screws are used when working with ordinary wood, panels, and parts made of MDF, plasterboard, fiberboard, and chipboard. Fasteners with fine thread are usually used for metal, but they also work well with hardwood. Screws with double-lead (or variable) thread are used for joining elements of dissimilar materials, for example plasterboard to wood.

When choosing self-tapping screws for wood, it is worth considering the practical experience of professionals. White and yellow screws do not significantly outlast oxidized ones in terms of service life.

Fine thread cannot always ensure a high degree of fastening reliability. It is therefore better reserved for cases where appearance and decorative qualities come first.

DIN 95 - Wood Screw with Raised Countersunk HeadDIN 571 Self-tapping Screw (Wood Screw) with Hexagon Head for Wood, GOST 11473DIN 7981 Self-tapping Screw with Round Head, Cross RecessUniversal Self-tapping Screw with Countersunk Head

Where self-tapping screws for wood are used

This type of fastener is used in various fields. They are used most intensively in new construction, as well as in renovation and restoration work. Self-tapping screws for wood are also widely used in furniture assembly and installation.

These fasteners are suitable not only for joining parts made of natural wood. Manufacturers of most modern finishing and facing materials give them characteristics similar to wood. Therefore, screws designed for working with wooden products remain suitable for new materials as well.

Self-tapping screws for wood are indispensable for such work as installing suspended ceilings and cladding interior surfaces with plasterboard or fiberboard sheets. These fasteners are also needed for laying a subfloor using chipboard, plywood, or OSB. They are used in the assembly of upholstered, cabinet, built-in, and garden furniture.

Working with fasteners: preparation, tools, installation

For a reliable connection, preparation is needed before starting work. All parts should be prepared in advance according to the drawings. Choose the right tool and a sufficient quantity of self-tapping screws for wood of the required size and type. For example, if plasterboard is to be fastened to a wooden frame, screws with a wide thread pitch are needed. When the frame is metal, fasteners with finer thread should be used.

Most often, screws with slotted heads are used. If the amount of work involved is small, a screwdriver matching the shape and geometry of the recess should be used. Otherwise, it is better to use a power driver or a small drill with a set of bits.

First, mark the points for driving in the screws, maintaining the recommended distances between them and always marking the corners. As a precaution against the screw slipping, make small punctures with an awl. Then the screw can be placed and the first two or three turns made carefully at low speed so that the fastener seats firmly in the base. After that, the screw is driven in all the way.

When working with dense wood, experienced craftsmen do not rush to drive the screw in directly. They first drill a pilot hole for it with a thin drill bit. This makes it possible to create a high-quality joint and avoid splitting the wood being joined.

Screw length LsFull thread length LgVStandard packaging
Box (pcs)Pack (pcs)Pallet (pcs)SPAX №
1081.00010.0001.120.0001081010250105
12101.00010.0001.120.0001081010250125
15121.00010.0001.120.0001081010250155
16141.00010.0001.120.0001081010250165
20171.00010.0001.120.0001081010250205
25221.00010.000630.0001081010250255
Screw length LsFull thread length LgVStandard packagingMini packaging
Box (pcs)Pack (pcs)Pallet (pcs)SPAX №Box (pcs)Pack (pcs)Pallet (pcs)SPAX №
1071.00010.0001.120.0001081010300105----
12101.00010.0001.120.00010810103001252002.000470.0001081010300123
13101.00010.0001.120.0001081010300135----
15121.00010.0001.120.0001081010300155----
16141.00010.0001.120.00010810103001652002.000470.0001081010300163
17141.00010.0001.120.0001081010300175----
20171.00010.000630.00010810103002052002.000260.0001081010300203
25211.00010.000630.00010810103002552002.000260.0001081010300253
30261.00010.000320.00010810103003052002.000260.0001081010300303
35311.00010.000320.00010810103003552002.000260.0001081010300353
40361.00010.000280.00010810103004052002.000224.0001081010300403
45361.00010.000280.0001081010300455----
Screw length LsFull thread length LgVStandard packagingMini packaging
Box (pcs)Pack (pcs)Pallet (pcs)SPAX №Box (pcs)Pack (pcs)Pallet (pcs)SPAX №
1291.00010.0001.120.00010810103501252002.000470.0001081010350123
1391.00010.0001.120.0001081010350135----
15111.00010.000630.0001081010350155----
16131.00010.000630.00010810103501652002.000260.0001081010350163
17131.00010.000630.0001081010350175----
20161.00010.000630.00010810103502052002.000260.0001081010350203
25211.00010.000320.00010810103502552002.000260.0001081010350253
30251.00010.000320.00010810103503052002.000260.0001081010350303
35301.00010.000320.00010810103503552002.000224.0001081010350353
40351.00010.000280.00010810103504052002.000224.0001081010350403
45401.00010.000280.00010810103504552002.000126.0001081010350453
50405005.000160.00010810103505052002.000126.0001081010350503
Screw length LsFull thread length LgVStandard packagingMini packaging
Box (pcs)Pack (pcs)Pallet (pcs)SPAX №Box (pcs)Pack (pcs)Pallet (pcs)SPAX №
1291.00010.000630.00010810104001252002.000260.0001081010400123
15111.00010.000630.0001081010400155----
16131.00010.000630.00010810104001652002.000260.0001081010400163
17131.00010.000630.0001081010400175----
20161.00010.000630.00010810104002052002.000260.0001081010400203
25211.00010.000320.00010810104002552002.000260.0001081010400253
30251.00010.000320.00010810104003052002.000224.0001081010400303
35301.00010.000280.00010810104003552002.000224.0001081010400353
40351.00010.000280.00010810104004052002.000126.0001081010400403
45405005.000160.00010810104004552002.000126.0001081010400453
50455005.000140.00010810104005052002.000126.0001081010400503
55505005.000140.0001081010400555----
60505005.000140.00010810104006051001.00063.0001081010400603
70505002.500140.00010810104007051001.00032.0001081010400703
80502002.00064.0001081010400805----
Screw length LsFull thread length LgVStandard packagingMini packaging
Box (pcs)Pack (pcs)Pallet (pcs)SPAX №Box (pcs)Pack (pcs)Pallet (pcs)SPAX №
16131.00010.000640.00010810104501652002.000260.0001081010450163
20151.00010.000320.00010810104502052002.000260.0001081010450203
25201.00010.000320.00010810104502552002.000224.0001081010450253
30251.00010.000280.00010810104503052002.000224.0001081010450303
35305005.000160.00010810104503552002.000126.0001081010450353
40345005.000160.00010810104504052002.000126.0001081010450403
45395005.000140.00010810104504552002.000126.0001081010450453
50445005.000140.00010810104505052002.00064.0001081010450503
55495005.000140.0001081010450555----
60545005.000140.00010810104506051001.00063.0001081010450603
70595002.500140.00010810104507051001.00032.0001081010450703
80592002.00064.00010810104508051001.00032.0001081010450803
Screw length LsFull thread length LgVStandard packagingMini packaging
Box (pcs)Pack (pcs)Pallet (pcs)SPAX №Box (pcs)Pack (pcs)Pallet (pcs)SPAX №
16121.00010.000320.0001081010500165----
20151.00010.000320.00010810105002052002.000260.0001081010500203
25201.00010.000320.00010810105002552002.000224.0001081010500253
30255005.000160.00010810105003052002.000224.0001081010500303
35305005.000160.00010810105003552002.000126.0001081010500353
40355005.000140.00010810105004052002.000126.0001081010500403
45395005.000140.00010810105004552002.000126.0001081010500453
50445005.000140.00010810105005052002.00064.0001081010500503
55495005.000140.00010810105005551001.00063.0001081010500553
60545002.500140.00010810105006051001.00063.0001081010500603
65592002.00064.0001081010500655----
70612002.00064.00010810105007051001.00032.0001081010500703
80612002.00064.00010810105008051001.00032.0001081010500803
Screw length LsFull thread length LgVStandard packagingMini packaging
Box (pcs)Pack (pcs)Pallet (pcs)SPAX №Box (pcs)Pack (pcs)Pallet (pcs)SPAX №
30245005.000160.0001081010600305----
35295005.000140.0001081010600355----
40345002.500140.00010810106004052002.00064.0001081010600403
45385002.500140.00010810106004552002.00064.0001081010600453
50432002.00064.00010810106005051001.00032.0001081010600503
55482002.00064.0001081010600555----
60532002.00056.00010810106006051001.00032.0001081010600603
70612002.00056.00010810106007051001.00032.0001081010600703
80612002.00056.00010810106008051001.00032.0001081010600803
Screw length LsPartial thread length LgTStandard packaging
Box (pcs)Pack (pcs)Pallet (pcs)SPAX №
90612002.00064.0000231010500905
Screw length LsPartial thread length LgTStandard packaging
Box (pcs)Pack (pcs)Pallet (pcs)SPAX №
90612001.00056.0000231010600905
100611001.00032.0000231010601005
Screw length LsFull thread length LgVStandard packaging
Box (pcs)Pack (pcs)Pallet (pcs)SPAX №
1071.00010.0001.120.0000321020300105
12101.00010.0001.120.0000321020300125
13101.00010.0001.120.0000321020300135
15121.00010.0001.120.0000321020300155
16141.00010.0001.120.0000321020300165
17141.00010.0001.120.0000321020300175
20171.00010.000630.0000321020300205
25211.00010.000630.0000321020300255
30261.00010.000320.0000321020300305
Screw length LsFull thread length LgTMini packaging
Box (pcs)Pack (pcs)Pallet (pcs)SPAX №
100611001.00032.0001087000501003
Screw length LsFull length?
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