Screw Bits, Auger Bits, Spoon Bits, Gimlets, Tapered Bit, Tapered Reamer - only for drilling by hand

Drilling by hand: Screw Bits, Auger Bits, Spoon Bits, Gimlets, Tapered Bit, Tapered Reamer

CLIFTON have turned their back on the general trend to lower prices and poorer quality in spiral bits and are going their own way, producing bits in carbon steel which it is a pleasure to use. Take a look here at the details that are crucial for a good bit. They will be clearer if you click on the pictures.

CLIFTON bits come in exact inch measurements. The millimetres are only given as a guide; note that there may be tiny differences for the various sizes, due to rounding up or down. As you are no doubt aware: 1 inch is 2.54 cm!

High quality gimlets are undispensable tools in every toolbox. Do not omitt to check our Ring Auger Bits, made in Japan, suitable for handmade clean and deep holes.

CLIFTON Jennings Pattern Screw Bit - for softwoods

Jennings Pattern Screw Bit Jennings bits are named after the craftsman who developed this type in America in the 19th century. They do not have a central straight-running core, but the structure, or twist, that draws up the wood removed winds spirally, like a screw. The effect is excellent removal of the shavings. The cut achieved by the two spurs is extremely clean. The thread of the screw which draws the bit into the wood has only a shallow profile. This fine spiral thread and the presence of the spurs are exactly the pre-conditions necessary for clean drilling in soft wood such as pine. Cabinet makers are thus particularly appreciative of such bits. Overall length approx. 10 in. (250 mm). Detail

Diameter inch Diameter mm Order nr. Price
1/4 6.3 303720 cart € 25.40
3/8 9.5 303722 cart € 25.60
7/16 11 303723 cart € 25.80
9/16 14 303725 cart € 27.50
5/8 16 303726 cart € 27.50
11/16 17.5 303727 cart € 32.50
3/4 19 303728 cart € 32.50
13/16 20.5 303729 cart € 36.70
15/16 24 303731 cart € 39.20
1-1/8 28.5 303733 cart € 41.20
1-1/4 32 303734 cart € 62.60
Ring Auger Bit - Made in Japan

Ring Auger Bit - Made in Japan The rounded single spur of these bits cut a clean edge of the hole and the chisel-like cutting edge turns around the threaded center and removes chip by chip within the previously cut circle. The thread of the center is large and strong enough to bite into the wood and pulls the bit. You do not have to use any pressure. This bit with large threaded center is unsuitable for power drills. For softwood and European hardwoods such as oak, beech, cherry. All measurements in mm, imperial only approximately!

Diameter mm Diameter inch Total length Spiral length Cutting length Order nr. Price
6 7/32 410 160 190 312220 cart € 15.90
8 5/16 460 190 410 312221 cart € 15.90
10 3/8 500 220 460 312223 cart € 15.90
12   520 230 470 312225 cart € 15.90
13 1/2 520 230 470 312226 cart € 18.90
16 5/8 560 270 500 312228 cart € 21.90
19 3/4 590 300 525 312231 cart € 23.90
20   590 300 525 312232 cart € 23.90
25 1 600 310 530 312236 cart € 29.90
30   600 310 530 312239 cart € 35.90
35   600 310 520 312241 cart € 59.90
38 1-1/2 600 310 520 312243 cart € 68.90
Ring Auger Bits from old stock

Ring Auger Bits from old stock These bits have been stocked for several years and have not been used. They come in best condition. Please pay attention to the notes, some have a thicker shaft than the spiral and some do not have edge spurs. If there is no note, they come with two edge spurs. Some spurs have small burrs which must be removed with a file (only from inside please!)
Only to be turned by hand! Enlargement - see also the bits without spurs and the bits with thicker shaft.

Diameter
mm
Diameter
inch (approx.)
Total
length
Cutting length Order
nr.
Price
Notes
6.5 approx. 1/4 470 160 308349 cart € 6.90 Short cutting length! Shaft thicker than spirals! Colour: blue
8 5/16 470 160 308350 cart € 8.90 Short cutting length! Shaft thicker than spirals! Colour: blue
8 5/16 610 180 308372 cart € 8.90 Short cutting length! Shaft thicker than spirals! Colour: blue
14 9/16 455 400 308354 cart € 10.90 Colour: red
Other sizes not available!
Gimlets with conical square shaft from old stock

Gimlets with conical square shaft from old stock These gimlets come from a German tool factory shut down a while ago. They have been stocked for several years and have not been used. They come in best condition. Made for use in a hand brace with four jaws! Picture shows 4 mm and 12 mm.

Diameter
mm
Diameter
inch
Total length
 
Cutting length
 
Order
nr.
Price
8 5/16 150 90 308202 cart € 3.95
10.5 - 11 13/32 160 100 308205 cart € 3.95
No other sizes!

Notice:

Our braces have, at the base of the chuck, a square hole to hold immobile the square end of the shaft of various kinds of bits. The size of the hole is designed to accept the most common sizes of square-ended bits. There are however a variety of square-ended bits that are too small to be securely held in the normal, 8 x 8 mm hole. So if used in this brace, they will be held only by the four jaws and can turn or come loose under pressure. With this simple, inexpensive adapter, this problem can be solved. It is a section of square brass tube. Placed in the square hole at the base of the chuck, it reduces the 8 x 8 mm hole to 6 x 6 mm to hold smaller bits firmly in place. We can unfortunately not say with certainty which bits will work and which will not in our braces, as the manufacturing tolerances for the ends of these kinds of bits are very loose. We recommend to add this adapter to your bit order.

Auger Bits with conical square shaft from old stock

Auger Bits with conical square shaft from old stock These auger bits come from a German tool factory shut down a while ago. They have been stocked for several years and have not been used. They come in best condition.

Made for use in a hand brace with four jaws! Please pay attention to the notes on the right of the table. One type is without spurs, others come with 2 spurs, there are Jennings pattern (no central straight-running core) and Center bit pattern (with central straight-running core) types. Some spurs have small burrs which must be removed with a file (only from inside please!)     An Auger bit file you find here
Only for use by hand!

Diameter
mm
Diameter
inch (approx.)
Total
length
Cutting
length
Order
nr.
Price
 
Notes
 
8 5/16 200 160 308211 cart € 5.95 2 Spurs
Center Pattern
24 15/16 240 175 308215 cart € 4.95 Without Spurs
Jennings Pattern
26 1 240 175 308216 cart € 10.95 2 Spurs
Center Pattern
28 1-1/8 240 175 308217 cart € 12.95 2 Spurs
Center Pattern

Conical square shaft is a bit crooked, by using a file this can be fixed.
30 1-3/16 245 180 308218 cart € 13.95 2 Spurs
Center Pattern
CLIFTON Tapered Spoon Bit for Boring Holes in Windsor Chairs

CLIFTON Tapered Spoon Bit for Boring Holes in Windsor Chairs The Tapered Spoon Bit is used by chairmakers for boring or reaming holes in the seats and arms of chairs - in particular Windsor chairs. This ist the tool recommended by Michael Dunbar in his book: Make a Windsor Chair   How to use!
Fits many old braces but unfortunately not our braces nr. 300200 und nr. 300185, as the shank of these tools are too short.

Max. Breite Total length Blade length Order nr. Price
1-3/16 in. / 30 mm 6-3/4 in. / 175 mm 4-1/2 in. / 115 mm 303710 cart € 55.90
CLIFTON Parallel Spoon Bit
CLIFTON Parallel Spoon Bit
The Parallel Spoon Bits are primarily used for boring holes - either vertically or at an angle - to take the back "spokes" of Windsor chairs. Total length 4-1/2 in. = 115 mm, Cutting length 2-1/2 in. = 63 mm.
Fit many old braces but unfortunately not our braces nr. 300200 und nr. 300185, as the shank of these tools are too short.
Diameter
(inch)
Diameter
(mm)
Order nr. Price
3/8 9.5 303711 cart € 30.90
7/16 11 303712 cart € 32.50
1/2 13 303713 cart € 34.10
9/16 14.3 303714 cart € 35.20
5/8 16 303715 cart € 38.60
3/4 19 303717 cart € 45.60
High Quality Gimlets
High Quality Gimlets
This handy and quick-working gimlet comes from Japan. Whether you want to drill holes to take screws, hooks or nails, or simply would like to have a simple small drill at hand in your tool box, with this tool, you will always have a versatile helper that needs no electricity and will never let you down. Detail tip

Diameter Cutting length Order nr. Price
3 mm 60 mm 312620 cart € 5.95
4 mm 70 mm 312621 cart € 5.95
5 mm 85 mm 312622 cart € 5.95
6 mm 85 mm 312623 cart € 5.95
Set of 4 Gimlets
Set of 4 Gimlets
Not as precise, hard, sharp and ergonomic as the Japanese gimlet bits above but good enough for boring holes for screws and nails.
Sizes included: 2, 3, 4, 5 mm
Length 95 - 135 mm
Comes in plastic bag
Order nr. 308300 In den Warenkorb
Price € 3.95
High Quality Gimlets from old stock
High Quality Gimlets from old stock
This quick-working old (but not used) gimlet comes from an old German factory closed times ago. The 12 mm gimlet is shown on picture right. On the picture left you see gimlet 7 mm which is sold out.

Diameter Total length Order nr. Price
12 mm 200 mm 308306 cart € 7.95

 
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