Forstner Bits
The Forstner bit is a helpful wood drill for large holes. Unlike the twist drill, a Forstner bit has a short tip and no drill thread. With the aid of the centring point, the drill can be easily fixed in place when attaching.
The Forstner bit is used in woodworking mainly for making blind holes. For example, a knothole can be drilled precisely. Therefore, the Forstner bit is also colloquially called a knothole drill bit. Holes for top hinges in furniture are also made with that wood drill.
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Countersink Bormax® 2.0 WS fine, long
AØ:- 100 mm | SØ: 16 mm | IØ:- 10 mm | NL: 110 mm | GL:- 160- mm
Item no.: FA-161410000In stock, delivery in 1-2 business days
Bormax®, the rapid Forstner bit
AØ: 20 mm | SØ: 8 mm | NL: 57 mm | GL: 90 mm
Item no.: FA-162202000In stock, delivery in 1-2 business days
Piloted counterbore
AØ: 12 mm | SØ: 10 mm | NL: 50 mm | GL: 75 mm | for Countersink Ø: 45-120 mm
Item no.: FA-161901200In stock, delivery in 1-2 business days
Forstner bits HM Bormax
AØ: 28 mm | SØ: 10 mm | NL: 57 mm | GL: 90 mm
Item no.: FA-166302800In stock, delivery in 1-2 business days
Bormax®, the rapid Forstner bit
AØ: 21 mm | SØ: 8 mm | NL: 57 mm | GL: 90 mm
Item no.: FA-162202100In stock, delivery in 1-2 business days
Piloted counterbore
AØ: 14 mm | SØ: 10 mm | NL: 50 mm | GL: 75 mm | for Countersink Ø: 45-120 mm
Item no.: FA-161901400Shipping time 3-8 business days
Countersink Bormax® 2.0 WS fine, long
AØ:- 110 mm | SØ: 16 mm | IØ:- 10 mm | NL: 110 mm | GL:- 160- mm
Item no.: FA-161411000Shipping time 3-8 business days
Bormax Prima 6 Piece Forstner bit set
5 bit set incl. extension 125 mm in wooden case | Ø 15, 20, 25, 30, 35 mm incl. extension 125 mm
Item no.: FA-162450600In stock, delivery in 1-2 business days
Forstner bits HM Bormax
AØ: 30 mm | SØ: 10 mm | NL: 57 mm | GL: 90 mm
Item no.: FA-166303000In stock, delivery in 1-2 business days
Bormax®, the rapid Forstner bit
AØ: 22 mm | SØ: 10 mm | NL: 57 mm | GL: 90 mm
Item no.: FA-162202200In stock, delivery in 1-2 business days
Bormax® Forstner bits long
AØ: 22 mm | SØ: 13 mm | NL: 80 mm | GL: 130 mm | long
Item no.: FA-162302200In stock, delivery in 1-2 business days
Bormax Prima 5 Piece Forstner bit set
5 piece set in wooden case | Drill bit Ø: 16, 18, 20, 22, 25 mm
Item no.: FA-162450700In stock, delivery in 1-2 business days
Countersink Bormax® 2.0 WS fine, long
AØ:- 120 mm | SØ: 16 mm | IØ:- 10 mm | NL: 110 mm | GL:- 160- mm
Item no.: FA-161412000Shipping time 3-8 business days
Piloted counterbore
AØ: 16 mm | SØ: 10 mm | NL: 50 mm | GL: 75 mm | for countersink Ø: 45-120 mm
Item no.: FA-161901600Shipping time 3-8 business days
Bormax Prima 6 Piece Forstner bit set
6 piece set in wooden case | Drill bit Ø: 15, 20, 25, 30, 35, 40 mm
Item no.: FA-162460600In stock, delivery in 1-2 business days
Bormax®, the rapid Forstner bit
AØ: 23 mm | SØ: 10 mm | NL: 57 mm | GL: 90 mm
Item no.: FA-162202300In stock, delivery in 1-2 business days
Piloted counterbore
AØ: 18 mm | SØ: 10 mm | NL: 50 mm | GL: 75 mm | for Countersink Ø: 45-120 mm
Item no.: FA-161901800Shipping time 3-8 business days
Forstner bits HM Bormax
AØ: 32 mm | SØ: 10 mm | NL: 57 mm | GL: 90 mm
Item no.: FA-166303200In stock, delivery in 1-2 business days
Forstner bits HM Bormax
AØ: 35 mm | SØ: 10 mm | NL: 57 mm | GL: 90 mm
Item no.: FA-166303500In stock, delivery in 1-2 business days
Bormax Prima 7 Piece Forstner bit set
7 piece set in wooden case | Drill bit Ø: 15, 20, 25, 30, 35, 40, 50 mm
Item no.: FA-162457000In stock, delivery in 1-2 business days
Bormax®, the rapid Forstner bit
AØ: 24 mm | SØ: 10 mm | NL: 57 mm | GL: 90 mm
Item no.: FA-162202400Shipping time 3-8 business days
Bormax® Forstner bits long
AØ: 24 mm | SØ: 13 mm | NL: 85 mm | GL: 135 mm | long
Item no.: FA-162302400In stock, delivery in 1-2 business days
Piloted counterbore
AØ: 20 mm | SØ: 10 mm | NL: 50 mm | GL: 75 mm | for Countersink Ø: 45-120 mm
Item no.: FA-161902000In stock, delivery in 1-2 business days
Bormax® Forstner bits long
AØ: 25 mm | SØ: 13 mm | NL: 85 mm | GL: 135 mm | long
Item no.: FA-162302500In stock, delivery in 1-2 business days
Forstner bits from Famag
We offer a selection of excellent Forstner bits from Famag in premium quality. Among them you will find the Bormax Forstner bits. These drills are characterized by a low heat development and thus have a long service life with the highest drilling quality. Solid wood and chipboard can be chipped very quickly at lower feed rates than with conventional drills.
Pre-drilling is important
To avoid having to force the centering pin through the wood, pre-drilling should be carried out. Make sure that the correct diameter is used. It is helpful to use the tip of the Forstner bit as a guide.
FAQ - frequently asked questions about Forstner Bits
The Forstner bit - named after its inventor, American Benjamin Forstner - is used in woodworking mainly for making flat bottomed holes. For example, a knot hole can be drilled out exactly and precisely. That is why the Forstner bit is also colloquially called knothole drill. In addition, it can also be used to make holes for concealed hinges in furniture.
Forstner bits belong to the category- wood drills and are therefore suitable for wood and wood-based materials.
Forstner drills are equipped with a centring point due to the diameter of the bit. It is important to make sure that this centre point is firmly held in the workpiece when the drill is applied. This is the only way to ensure that the drill does not slip during drilling and that a clean hole is produced.
Our assortment offers you a large selection of Fornstner bits. In our Classic range we offer bits up to Ø50 mm, Tool steel (WM) range up to Ø60 mm and in Tungsten-Carbide (HM) up to Ø60 mm.
The cylindrical drill is a variation of the Forstner bit. While the Forstner drill usually consists of a centre point, two main cutting edges and two closed circumferential cutting edges, the cylindrical drill is equipped with two open circumferential cutting edges. In general, the Forstner bit is ideal for free-hand applications and the cylindrical drill is ideal for working with a stationary device, such as a drill stand.
Drill bits with tungsten-carbide cutting edges generally have a longer service life and are particularly suitable for hard woods. Tthey are also ideal for wood-based materials such as MDF and chipboard.
Fornstner drills made of tool steel are ideal for drilling in soft woods.