Page 253 - Carmex - Metric Catalog 2021

®
Spiral Mill - Thread Inserts

UN

1 2

Insert Size Fig. Pitch Ext./ Int. UN UNC UNF UNS Ordering code Toolholder
TPI
16 Int. 1 15/16 - 2 1/2 2 1/16 - 2 H45 I 16 UN
12 Int. 1 15/16 - 2 5/8 H45 I 12 UN
8 Int. 2 1/8- 2 5/8 H45 I 8 UN
H45 2 SRH45...
6 Int. 2 1/8- 2 3/4 H45 I 6 UN
4.5 Int. 2 1/4 H45 I 4.5 UN
4 Int. 2 1/2- 2 3/4 H45 I 4 UN
16 Int. ≥2 5/8 H63 I 16 UN
12 Int. ≥2 3/4 H63 I 12 UN
H63 2 8 Int. ≥2 3/4 H63 I 8 UN SRH63...
6 Int. ≥2 7/8 H63 I 6 UN
4 Int. ≥3 H63 I 4 UN

Whitworth

Same insert for internal and external thread

1 2

Pitch
Insert Size Fig. Ordering code Thread Size Toolholder
TPI
H13 1 19 H13- 19 W G 3 /8 SRH13...
1
H15 1 14 H15- 14 W G /2 SRH15...
5
14 H17- 14 W G 1 /2 - /8
H17 1 SRH17...
11 H17- 11 W G ≥ 1”
7
14 H19- 14 W G 3 /4 - /8
H19 1 SRH19...
11 H19- 11 W G ≥ 1”
7
Int. G /8”
14 H23-14 W
1
H23 2 Ext. ≥ G /2” SRH23...
11 H23-11 W ≥ G1"
14 H32-14 W Ext. ≥ G 1 /2”
1
H32 2 Int. ≥ G 1 /8” SRH32...
11 H32-11 W
Ext. ≥ G 1”
Int. ≥ G 1 3 /4”
H45 2 11 H45-11 W SRH45...
Ext. ≥ G 1”
Int. ≥ G 2 1 /2”
H63 2 11 H63-11 W SRH63...
Ext. ≥ G 1”
B04-5