Knuckles

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The extensions and knuckle joint are the primary means of adding flexibility to fixed heads. The knuckle joint allows inspection of angular features. The knuckle joint allows 360° in the B axis and ±100° in the A axis.

Knuckel XXT, Titanium

M3 titanium knuckle XXT, 1.65 g, L 10 mm, for Zeiss applications
Equivalent to Zeiss part number: 626103-6180-001.

Part Number A-5004-3285
Zeiss Order Number 626103-6180-001
B 5 mm
L 10 mm
Weight 1.65 g

M2 rotary knuckle, L 16.5 mm

Stylus knuckles are designed to allow the adjustment of the stylus tips angular alignment.
Equivalent to Zeiss part number: 602030-9105-000

Part Number A-5000-9902
Thread size M2
Effective Length 16.5 mm
Center offset n/a
Mass 1.3 g

M2 stylus knuckle, L 13.5 mm

Stylus knuckles are designed to allow the adjustment of the stylus tip’s angular alignment.

Part Number A-5003-4697
Thread size M2
Effective Length 13.5 mm
Center offset n/a
Mass 1.1 g

M2 stylus knuckle, L 8 mm

Stylus knuckles are designed to allow the adjustment of the stylus tips angular alignment.
Equivalent to Zeiss part number: 602030-9101-000
Equivalent to Q-Mark part number: GM2-16

Part Number A-5000-7534
Thread size M2
Effective Length 8.0 mm
Center offset 4.5 mm
Mass 1.6 g

M2 swivel replacement kit
Replacement screws for
A-5000-7534

Thread: M2

M3 rotary knuckle, L 17 mm

Stylus knuckles are designed to allow the adjustment of the stylus tips angular alignment.

Part Number A-5003-4686
Thread size M3
Effective Length 17 mm
Center offset n/a
Mass 1.5 g

M3 stylus knuckle, L 6 mm

Stylus knuckles are designed to allow the adjustment of the stylus tips angular alignment.
Equivalent to Q-Mark part number: GM3-20

Part Number A-5000-7616
Thread size M3
Effective Length 12 mm
Center offset 6 mm
Mass 3.7 g

M3 swivel replacement kit
Replacement screws for
A-5000-7616

Thread M3

M4 rotary knuckle, L 33 mm

Stylus knuckles are designed to allow the adjustment of the stylus tips angular alignment.

Part Number A-5003-4689
Thread size M4
Effective Length 33 mm
Center offset n/a
Mass 9.8 g

M5 hemispherical stylus, Ø16 mm, ceramic

Hemispherical styli are designed for the inspection of rough surfaces and deep features, such as bores. Ceramic tips are lightweight, hardwearing and non-magnetic.

Material Ceramic
Ball diameter mm (in.) 16.0 (0.63)
Length mm (in.) 19.5 (0.77)
Mass grams 7

M5 hemispherical stylus, Ø22 mm, ceramic

Hemispherical styli are designed for the inspection of rough surfaces and deep features, such as bores. Ceramic tips are lightweight, hardwearing and non-magnetic.

Material Ceramic
Ball diameter mm (in.) 22.0 (0.87)
Length mm (in.) 20.5 (0.81)
Mass grams 14