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 Option No.2

1.1 Penetration with an endmill 2.1 Penetration by drilling

1.2 Enlargement with the endmill 2.2 DRG-MF boring

3 Deep hole drilling with 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

DR-DH ø##.#[mm]Central InsertIntermediate InsertPeripheral InsertGuiding Pad
25.4-28.5SOMX 050204…SOMX 050204…SOMX 050204…GPS-06-20-075
28.6-30.0SOMX 050204…SOMX 060304…SOMX 050204…GPS-07-20-120
30.1-33.0SOMX 060304…SOMX 060304…SOMX 060304…GPS-07-20-120
33.1-37.5SOMX 060304…SOMX 070305…SOMX 060304…GPS-08-25-155
37.6-40.5SOMX 070305…SOMX 070305…SOMX 070305…GPS-08-25-155
40.6-42.9SOMX 070305…SOMT 09T306…SOMX 070305…GPS-08-25-155
43.0-47.5SOMT 09T306…SOMT 09T306…SOMT 09T306…GPS-08-25-155
47.6-51.0SOMT 100408…SOMT 100408…SOMT 100408…GPS-10-30-200
51.1-54.0SOMT 100408…SOMT 110408…SOMT 100408…GPS-10-30-200
54.1-57.4SOMT 100408…SOMT 110408…SOMT 110408…GPS-10-30-200
57.5-61.0SOMT 110408…SOMT 110408…SOMT 110408…GPS-14-40-250
61.1-63.0SOMT 110408…SOMT 120408…SOMT 110408…GPS-14-40-250
63.1-69.5SOMT 120408…SOMT 120408…SOMT 120408…GPS-14-40-250

Spare Parts

InsertScrewKeyGuiding PadClamping ScrewKey
SOMX 050204...SR 34-533/LT-6/51GPS-06-20-075SR 11201753-1T-7
SOMX 060304...SR 34-508/LT-7/51GPS-06-20-085SR 11201753-1T-7
SOMX 070305...SR 14-560T-8/51GPS-06-20-100SR 11201753-1T-7
SOMT 09T306...SR 34-506T-9/51GPS-14-40-250SR 11201752-2T-15
SOMT 100408...SR 14-571T-10/51GPS-07-20-120SR 11201753-4T-9
SOMT 110408...SR 14-544/ST-15/51GPS-10-30-200SR 11201753-6T-15
SOMT 120408...SR 14-544/ST-15/51