A4722-上海简文贸易有限公司手机版

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Taper Shank Drills, Extra Series, Deep Hole Design

A4722

Application: Deep hole drill design with special geometry for optimum chip-control and chip evacuation. Enables drilling of deep holes without pecking in a wide range of materials up to approx. 1300 N/mm².
Remarks: Above 23.02 mm bright finish 　　

d₁ mm h8	l₁ mm	l₂ mm	MT	Ordering code A4722...
8.0	330	210	1	...-8
8.5	330	210	1	...-8.5
9.0	345	220	1	...-9
10.0	360	235	1	...-10
10.5	360	235	1	...-10.5
11.0	375	250	1	...-11
11.5	375	250	1	...-11.5
12.0	395	260	1	...-12
12.5	395	260	1	...-12.5
13.0	395	260	1	...-13
13.5	410	275	1	...-13.5
14.0	410	275	1	...-14
14.5	425	275	2	...-14.5
15.0	425	275	2	...-15
15.5	445	295	2	...-15.5
16.0	445	295	2	...-16
16.5	445	295	2	...-16.5
17.0	445	295	2	...-17
17.5	465	310	2	...-17.5
18.0	465	310	2	...-18
18.5	465	310	2	...-18.5
19.0	465	310	2	...-19
19.5	490	325	2	...-19.5
20.0	490	325	2	...-20
21.0	490	325	2	...-21
22.0	515	345	2	...-22
23.0	515	345	2	...-23
24.0	555	365	3	...-24
25.0	555	365	3	...-25
26.0	555	365	3	...-26
27.0	580	385	3	...-27
28.0	580	385	3	...-28
29.0	580	385	3	...-29
30.0	580	385	3	...-30
31.0	610	410	3	...-31
32.0	635	410	4	...-32
33.0	635	410	4	...-33
34.0	665	430	4	...-34
35.0	665	430	4	...-35
38.0	695	460	4	...-38
40.0	695	460	4	...-40

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