If ever tasked with the challenge of identifying an HSK tool holder, the following will explain the differences and dimensions of the machine spindle interface (upper portion) of the HSK Holder. These high precision clamping tools are available as heat shrink construction, collet chucks, Weldon shank adapters and arbor adapter options. Other particulars can include internal coolant tubes, Balluff chip accommodation, slim line and long reach designs, among other attributes. Classified by universal DIN standards (German industry norm classification), the HSK tool clamping systems have varying sizes/dimensions and here is how to identify the most common ones, below.
DIN 68893-1 includes HSK-A 63, HSK-A 80, HSK-A 100, HSK-A 40 and HSK-A 50
HSK-A
d1
d9 max.
l1
f1
f2 min.
b1
b2
b3
M
40
40
34
20
20
35
8,05
9
11
M12x1
50
59
42
25
26
42
10,54
12
14
M16x1
63
63
53
32
26
42
12,54
16
18
M18x1
80
80
68
40
26
42
16,04
18
20
M20x1,5
100
100
85
50
29
45
20,02
20
22
M24x1,5
DIN 69893-5 includes HSK-E32, HSK-E 40 and HSK-E 50
HSK-E
d1
d9 max.
l1
f1
f2 min.
M
32
32
26
16
20
35
M10x1
40
40
34
20
20
35
M12x1
50
50
42
25
26
42
M16x1
DIN 69893-6 includes HSK-F 63
HSK-F
d1
d9 max.
l1
f1
f2 min.
63
63
53
25
26
42
Got an upcoming requirement? Our tool clamping systems are made to the highest quality standards and manufactured in Germany. Standard sizes available from factory stock! Contact us for price and lead time!
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