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Sharpening Made Easy - Knife Sharpening Information and Equipment


Various scissor and shear sharpening bevel angles.  This is the angle as measured by scissor sharpeners - children's paper scissors are 0; higher numbers are sharper.  Knife and tool sharpeners measure from the flat or inside of the blade; lower numbers are sharper.  To convert, subtract this angle from 90.



Thumb*

Finger

Delica 3 1/2" blade desk scissors

40

40

DaVinci 2 1/2" blade

30

45

Wiss thread nippers

10

10

Wiss dressmaker

25

30

Clayton 7"

10

10

Kleencut

20

20

Japanese kitchen shears

35

40

Wusthof kitchen shears

25

35

Italian pinking shears

15

15

Fiskars dressmaker

30

30

Gingher "Knife Edge" dressmaker

15

45

Gingher thread snips

15

15

Gingher snips resharpened

35

35

Old Wiss pinking shears

15

15

For general use scissor blades and handles are often the same. On shears with identical handles but different blades, the thumb blade is defined as the one that is sharpened at the more obtuse angle. The thumb blade is sometimes serrated.

Some general angles by usage

USAGE

Angle

Children's safety scissors
0
Pinking shears
0 - 5
Cast Iron paper scissors
5 - 15
Bandage scissors
20
Grass and hedge trimmers
25
Embroidery, cuticle, nail scissors
25 - 30
Fabric, tailor and industrial shears 7" and longer
35 - 40
Knife edge finger blade (thumb blade is 15 - 20 degrees)
45 - 50

4/15/2008


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