DIN6343 Clamping Collet
The DIN6343 Clamping Collet is a standardized, high-precision workholding component designed according to DIN 6343 German Industrial Standards, ensuring reliable performance, interchangeability, and accuracy in CNC machining, turning, and grinding operations. Known for its robust construction and exceptional concentricity, this collet provides stable clamping force, excellent repeatability, and extended tool life — making it an essential component in modern metalworking and manufacturing industries.
DIN 6343 CLAMMPING COLLET
Model
D1(mm)
D2(mm)
L(mm)
Hole size(mm)
Wt(kg)
round
square
hex
DIN6343-F17.5
17.5
22
51
13
8
10
0.05
DIN6343-F22
22
30
55
16
11
13
0.09
DIN6343-F27
27
38
72.7
22
15
19
0.10
DIN6343-F28
28
38
70
22
15
19
0.12
DIN6343-F32
32
45
75
26
18
22
0.27
DIN6343-F35
35
48
80
30
21
26
0.35
DIN6343-F42
42
55
94
36
25
30
0.49
DIN6343-F48
48
60
94
42
29
36
0.57
DIN6343-F56
56
68
94
50
35
42
0.65
DIN6343-F66
66
84
110
60
42
52
1.16
Applications
CNC turning centers – For accurate and stable clamping of shafts, rods, and cylindrical workpieces.
Milling and drilling machines – To hold components securely during high-speed or precision machining.
Grinding applications – For fine finishing and surface polishing where precise concentricity is essential.
Automatic lathes and bar feeders – Ideal for mass production and continuous machining operations.
Measurement and testing setups – Used in metrology and quality control systems for component holding.
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