Page 57 - YG 2019
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SELECTION GUIDE SOLID CARBIDE DREAM DRILLS-GENERAL
SOLID CARBIDE DREAM DRILLS-GENERAL (with & without Coolant Holes)
General Purpose HRc30 to HRc50 Alloys
◎ : Excellent ◯ : Good
P H M K N S
SIZE Carbon Steels Alloy Steels Prehardened Hardened Steels
ITEM MODEL DESCRIPTION PAGE Steels Stainless Cast Iron Aluminum Copper Bronze CFRP Titanium
Steels
MIN MAX ~HB225 HB225~325 HRc30~45 HRc45~55 HRc55~
INCH
3×D
DH416 CARBIDE, DREAM DRILLS - GENERAL SHORT D1/8 D5/8 58 ◎ ◎ ◎ ○ ○
DH711 with COOLANT HOLES
5×D
DH418 CARBIDE, DREAM DRILLS - GENERAL LONG D13/64 D1/2 60 ◎ ◎ ◎ ○ ○
DH712 with COOLANT HOLES
3×D CARBIDE, DREAM DRILLS - GENERAL ◎ ◎ ◎ ○ ○
DH414 without COOLANT HOLES STUB D1/8 D5/8 61
5×D CARBIDE, DREAM DRILLS - GENERAL ◎ ◎ ◎ ○ ○
DH722 without COOLANT HOLES LONG D13/64 D1/2 62
\ METRIC
3×D CARBIDE, DREAM DRILLS - GENERAL ◎ ◎ ◎ ○ ○
DH406 with COOLANT HOLES SHORT D3.0 D20.0 63
5×D CARBIDE, DREAM DRILLS - GENERAL ◎ ◎ ◎ ○ ○
DH408 with COOLANT HOLES LONG D1.0 D20.0 67
8×D CARBIDE, DREAM DRILLS - GENERAL ◎ ◎ ◎ ○ ○
DH421 with COOLANT HOLES EXTRA LONG D3.0 D20.0 72
3×D CARBIDE, DREAM DRILLS - GENERAL ◎ ◎ ◎ ○ ○
DH404 without COOLANT HOLES STUB D3.0 D20.0 76
3×D CARBIDE, DREAM DRILLS - GENERAL ◎ ◎ ◎ ○ ○
DH423 without COOLANT HOLES SHORT D3.0 D20.0 78
5×D CARBIDE, DREAM DRILLS - GENERAL ◎ ◎ ◎ ○ ○
DH424 without COOLANT HOLES LONG D1.0 D20.0 83
RECOMMENDED CUTTING CONDITIONS 88
Minimum Gallons Per Minuti (GPM) based on minimum Coolant Coolant Pressure.
High RPM lowers GPM and requires higher Coolant Pressure.
• Radial run out at cutting
lip must not exceed .001
56 • phone:+1-800-765-8665, Technical Support : 888-868-5988, www.yg1usa.com phone:+1-800-765-8665, Technical Support : 888-868-5988, www.yg1usa.com • 57
