®
Spiral Mill - Thread Inserts
BSPT Same insert for internal and external thread
2
1
Pitch TPI
Insert Size
Fig.
Ordering code H13-19 BSPT H15-14 BSPT H17-14 BSPT H23-11 BSPT H32-11 BSPT
Thread Size
Toolholder SRH13... SRH15... SRH17... SRH23... SRH32...
H13 H15 H17 H23 H32
1 1 1 2 2
19 14 14 11 11
3 / 8
1 / 2 - 3 / 4 1 / 2 - 3 / 4
≥ 1"
Int. ≥ 1 Ext. ≥ 1" Int. ≥ 1 Ext. ≥ 1" Int. ≥ 2 Ext. ≥ 1"
1 / 8 "
3 / 4 "
H45-11 BSPT
H45
2
11
SRH45...
1 / 2 "
H63-11 BSPT
H63
2
11
SRH63...
NPT Same insert for internal and external thread
2
1
Pitch TPI
Insert Size
Fig.
Ordering code H13-18 NPT H15-14 NPT H17-14 NPT H23-11.5 NPT H32-14 NPT H32-11.5 NPT H45-11.5 NPT H45- 8 NPT H63-11.5 NPT H63- 8 NPT
Thread Size
Toolholder SRH13... SRH15... SRH17... SRH23...
H13 H15 H17 H23
1 1 1 2
18 14 14
3 / 8
1 / 2 - 3 / 4 1 / 2 - 3 / 4
11.5
1"-2"
14
Ext. 1 / 2 " - 3 / 4 "
H32
2
SRH32...
Int. 1
1 / 4 "-2"
11.5
Ext. 1"- 2" Int. ≥ 2" Ext. ≥ 1"
11.5
H45
2
SRH45...
8
≥ 2 1 / 2 "
11.5
Ext. 1-2"
H63
2
SRH63...
8
≥ 3"
B04-6
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