Page 545 - Iscar

USER GUIDE
INDEXABLE DRILLS

User Guide
1. A short pre-hole 20 mm long (minimum) with H8 hole
tolerance should be prepared to guide the long drill
(a standard DR drill or an endmill can be used).

Option No.1
1.1- Penetration with an endmill 2.1- Enlargement with the endmill

Hole Tolerance H8
Option No.2
1.2- Penetration by drilling 2.2- DRG-MF boring

3- Deep hole drilling with DR-DH DR-DH

2. The DR-DH drill should enter into the pre-hole at
slow rotation speed and with coolant supply.

DR-DH Insert Mounting Configuration vs. Drill Diameter Spare Parts
Insert Screw Key
DR-DH Central Intermediate Peripheral Guiding
ø##.#[mm] Insert Insert Insert Pad SOMX 050204... SR 34-533/L T-6/51
SOMX 060304... SR 34-508/L T-7/51
25.4-28.5 SOMX 050204… SOMX 050204… SOMX 050204… GPS-06-20-075
28.6-30.0 SOMX 050204… SOMX 060304… SOMX 050204… GPS-07-20-120 SOMX 070305... SR 14-560 T-8/51
30.1-33.0 SOMX 060304… SOMX 060304… SOMX 060304… GPS-07-20-120 SOMT 09T306... SR 34-506 T-9/51
33.1-37.5 SOMX 060304… SOMX 070305… SOMX 060304… GPS-08-25-155 SOMT 100408... SR 14-571 T-10/51
37.6-40.5 SOMX 070305… SOMX 070305… SOMX 070305… GPS-08-25-155
40.6-42.9 SOMX 070305… SOMT 09T306… SOMX 070305… GPS-08-25-155 SOMT 110408... SR 14-544/S T-15/51
43.0-47.5 SOMT 09T306… SOMT 09T306… SOMT 09T306… GPS-08-25-155 SOMT 120408... SR 14-544/S T-15/51
47.6-51.0 SOMT 100408… SOMT 100408… SOMT 100408… GPS-10-30-200
51.1-54.0 SOMT 100408… SOMT 110408… SOMT 100408… GPS-10-30-200 Guiding Clamping
54.1-57.4 SOMT 100408… SOMT 110408… SOMT 110408… GPS-10-30-200 Pad Screw Key
57.5-61.0 SOMT 110408… SOMT 110408… SOMT 110408… GPS-14-40-250 GPS-06-20-075 SR 11201753-1 T-7
61.1-63.0 SOMT 110408… SOMT 120408… SOMT 110408… GPS-14-40-250 GPS-06-20-085 SR 11201753-1 T-7
63.1-69.5 SOMT 120408… SOMT 120408… SOMT 120408… GPS-14-40-250 GPS-06-20-100 SR 11201753-1 T-7
GPS-14-40-250 SR 11201752-2 T-15
GPS-07-20-120 SR 11201753-4 T-9
GPS-10-30-200 SR 11201753-6 T-15

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