GD-DH 28.00-10D-M40-12
Gundrills carrying the TOGT triangular inserts, with 3 chip splitting cutting edges and a wiper for high hole surface quality and high feed. The drills are available in 10, 15 and 25 drilling length to diameter ratios.

Cutting Diameter (DC) | 28 mm | Overall Length (OAL) | 410.6 mm |
Usable Length (LU) | 283.6 mm | Coolant Supply Property (CSP) | Coolant Thru |
Application | | Gundrills | | Measurement Type | Metric |
Connection Diameter Machine Side (DCONMS) | 40 mm | Master Insert Identification (MIID) | TOGT 12.. |
Tool Type | Deep Hole / Gun Drill | Body Material | Steel |
Shank Length (LS) | 70 mm | Unit | M |
Functional Length (LF) | 337 mm |


Product Features
Family Description | Gundrills carrying the TOGT triangular inserts, with 3 chip splitting cutting edges and a wiper for high hole surface quality and high feed. The drills are available in 10, 15 and 25 drilling length to diameter ratios. | COO | Japan |
Remarks | For inquiry form, pad and driver selection, click on More Info Note: Gundrills can be supplied with up to 2400 mm length on request. Inserts and guide pads to be ordered separately (not included with the tools). Preventative measures: Do NOT operate the deep hole drill at full speed before engaging the guide hole. Enter the guide hole slowly at a speed of 50 - 100 rpm. |
Shipping Info
Weight per item
1.5030
Item successfully added to your cart
Items successfully added to your cart
Added to
Go to My Lists
Select List
Change Quantity?