
specific components and applications.
For brazed BTA drill head details go to Page 06. Note: The products are arranged in increasing order of diameter.
Brazed drill head with external s i n g l e - s t a r t thread for single tube system ( STS ) ,
❸❸ H (Wrench size)
| MBU | UTE | BTU | BTU | ||
| OAL | Drilling tolerance: IT9 | (2 edges) | (3 edges) |
Surface roughness: Ra 2μm P Steel M Stainless K Cast iron
N Non-ferrous : First choice
| Standard products | S Superalloys | : Second choice | ||
| Coated | Drill tube |
| ❹❹ | Designation | DC | Designation | Dia. (mm) | OAL | DCONMS | H | ||||
| MBU-0999-2 9.40 | 9.4 | UMBB083 | 8.3 | 34 | 7.2 | 7 | ETU | ||||
| MBU-1199-1 11.00 | 11 | UMBB100 | 10 | ❺❺34 | 8.6 | 9 | (3 edges) | ||||
| The interface of the drill tube has a unique shape. Please be sure to use UMBB drill tube. | 䖃: Line up | ||||||||||
| Cutting | Feed: f (mm/rev) |
Workpiece Condition Hardness speed Drill dia. (mm)
| Non-standard products (to be supplied on request) | ❼❼ | ISO | material | JIS | V | 8 - 20 | 12.6 - 20 20.01 - 31 31.01 - 43 43.01 - 65 |
| c |
| ❻❻ | (HB) (m/min) MBU, UTE | BTU, ETU | |||||||||||||||
| When ordering | ISO classifi cations for grades | Carbon steel S10C - S25C, SS 0.1 - 0.25 %C Non-hardened | 125 70 - 130 0.05 - 0.13 0.08 - 0.15 | 0.1 - 0.17 | 0.13 - 0.2 | 0.16 - 0.3 | |||||||||||
| MBU-0899-1 | xx.xx | 1122 | Grade | ISO area | Cast steel | S25C - S55C | 0.25 - 0.25 %C Non-hardened | 190 70 - 130 0.05 - 0.13 0.08 - 0.15 | 0.1 - 0.17 | 0.13 - 0.2 | 0.16 - 0.3 | ||||||
| 5 10 15 20 25 30 35 40 | High carbon | 0.25 - 0.25 %C Hardened | 250 70 - 130 0.05 - 0.13 0.08 - 0.15 | 0.1 - 0.17 | 0.13 - 0.2 | 0.16 - 0.3 | |||||||||||
| steel | |||||||||||||||||
| 1122 | Carbon tool | SK | 0.55 - 0.80 %C Non-hardened | 220 70 - 130 0.05 - 0.13 0.08 - 0.15 | 0.1 - 0.17 | 0.13 - 0.2 | 0.16 - 0.3 | ||||||||||
| Drill head | Diameter (mm) | Grade | steel | 0.55 - 0.80 %C Hardened | 300 70 - 130 0.05 - 0.1 | 0.08 - 0.12 | 0.1 - 0.15 | 0.13 - 0.17 | 0.15 - 0.28 | ||||||||
| e.g. Designation for tool diameter ø9 mm: MBU-0899-1 9.00 1122 | 3112 | Non-hardened | 200 70 - 110 0.05 - 0.13 0.08 - 0.15 | 0.1 - 0.17 | 0.13 - 0.2 | 0.16 - 0.3 | |||||||||||
| 3112 | Low alloy steel | 275 60 - 110 0.05 - 0.1 | 0.08 - 0.12 | 0.1 - 0.15 | 0.13 - 0.17 | 0.15 - 0.28 | |||||||||||
| Cast steel | SNC, DCr, SNCN | ||||||||||||||||
| 3112 | (alloying ele- | SCM, SMn | Hardened | 300 60 - 110 0.05 - 0.1 | 0.08 - 0.12 | 0.1 - 0.15 | 0.13 - 0.17 | 0.15 - 0.28 | |||||||||
| 3112 | ment < 5%) | 350 60 - 110 0.05 - 0.1 | 0.08 - 0.12 | 0.1 - 0.15 | 0.13 - 0.17 | 0.15 - 0.28 | |||||||||||
| High alloy steel, Cast steel | SNS, SKD, SKT | Non-hardened | 200 70 - 130 0.05 - 0.13 0.08 - 0.15 | 0.1 - 0.17 | 0.13 - 0.2 | 0.16 - 0.3 | |||||||||||
| Designation DCN | DCX | Drill tube | OAL | DCONMS | H | Tool steel | SKH, SK | Hardened | 325 70 - 130 0.05 - 0.1 | 0.08 - 0.12 | 0.1 - 0.15 | 0.13 - 0.17 | 0.15 - 0.28 | ||||
| Designation | Dia. (mm) | SUS430 | Ferritic | 200 40 - 110 0.05 - 0.13 0.08 - 0.15 | 0.1 - 0.28 | 0.13 - 0.3 | 0.16 - 0.35 | ||||||||||
| MBU-0899-1 xx.xx | 8 | 8.32 | UMBB071 | 7.1 | 34 | 6 | 6 | Stainless steel | SUS410, 420J | Martensitic | 240 40 - 110 0.05 - 0.13 0.08 - 0.15 | 0.1 - 0.28 | 0.13 - 0.3 | 0.16 - 0.35 | |||
| MBU-0899-2 xx.xx | 8.33 | 8.65 | UMBB071 | 7.1 | 34 | 6 | 6 | SUS304, SUS316L | Austenitic | 180 40 - 110 0.05 - 0.12 0.05 - 0.12 | 0.08 - 0.25 | 0.1 - 0.28 | 0.15 - 0.33 | ||||
| MBU-0899-3 xx.xx | 8.66 | 8.99 | UMBB071 | 7.1 | 34 | 6 | 6 | Ductile cast | FCD400 - FCD450 | Ferritic / Pearlitic | 180 50 - 110 0.05 - 0.13 0.08 - 0.15 | 0.1 - 0.17 | 0.13 - 0.2 | 0.16 - 0.3 | |||
| MBU-0999-1 xx.xx | 9 | 9.32 | UMBB083 | 8.3 | 34 | 7.2 | 7 | iron | FCD500 - FCD700 | Pearlitic | 260 50 - 110 0.05 - 0.13 0.08 - 0.15 | 0.1 - 0.17 | 0.13 - 0.2 | 0.16 - 0.3 | |||
| MBU-0999-2 xx.xx | 9.33 | 9.65 | UMBB083 | 8.3 | 34 | 7.2 | 7 | Grey cast iron | FC100 - FC200 | Low tensile strength | 160 60 - 110 0.05 - 0.13 0.06 - 0.13 | 0.08 - 0.18 | 0.1 - 0.2 | 0.15 - 0.25 | |||
| MBU-0999-3 xx.xx | 9.66 | 9.99 | UMBB083 | 8.3 | 34 | 7.2 | 7 | FC250 - FC350 | High tensile strength | 250 60 - 110 0.05 - 0.13 0.06 - 0.13 | 0.08 - 0.18 | 0.1 - 0.2 | 0.15 - 0.25 | ||||
| ❽❽ MBU-1099-1 xx.xx | 10 | 10.32 | UMBB090 | 9 | 34 | 7.6 | 8 | Malleable cast | FCMB, FCMW | Ferritic | 130 70 - 110 0.05 - 0.13 0.06 - 0.13 | 0.08 - 0.18 | 0.1 - 0.2 | 0.15 - 0.25 | |||
| MBU-1099-2 xx.xx | 10.33 | 10.65 | UMBB090 | 9 | 34 | 7.6 | 8 | iron | FCMWP, FCMP | Pearlitic | 230 70 - 110 0.05 - 0.13 0.06 - 0.13 | 0.08 - 0.18 | 0.1 - 0.2 | 0.15 - 0.25 | |||
| MBU-1099-3 xx.xx | 10.66 | 10.99 | UMBB090 | 9 | 34 | 7.6 | 8 | Aluminium alloys | Non-aged | 60 65 - 130 0.05 - 0.13 0.08 - 0.15 | 0.1 - 0.2 | 0.15 - 0.25 | 0.16 - 0.3 | ||||
| MBU-1199-1 xx.xx | 11 | 11.32 | UMBB100 | 10 | 34 | 8.6 | 9 | Wrought | Soluted, Aged | 100 65 - 130 0.05 - 0.13 0.08 - 0.15 | 0.1 - 0.2 | 0.15 - 0.25 | 0.16 - 0.3 | ||||
| MBU-1199-2 xx.xx | 11.33 | 11.65 | UMBB100 | 10 | 34 | 8.6 | 9 | Aluminium | ≤12% Si | Non-aged | 75 65 - 130 0.05 - 0.13 0.08 - 0.15 | 0.1 - 0.2 | 0.15 - 0.25 | 0.16 - 0.3 | |||
| MBU-1199-3 xx.xx | 11.66 | 11.99 | UMBB100 | 10 | 34 | 8.6 | 9 | alloys | Soluted, Aged | 90 65 - 130 0.05 - 0.13 0.08 - 0.15 | 0.1 - 0.2 | 0.15 - 0.25 | 0.16 - 0.3 | ||||
| MBU-1349-1 xx.xx | 12 | 12.36 | UMBB110 | 11 | 34 | 9.1 | 10 | Cast | >12% Si | High silicon content | 130 65 - 130 0.05 - 0.13 0.08 - 0.15 | 0.1 - 0.2 | 0.15 - 0.25 | 0.16 - 0.3 | |||
| MBU-1349-2 xx.xx | 12.37 | 12.73 | UMBB110 | 11 | 34 | 9.1 | 10 | >1% Pb | Free-cutting copper | 110 65 - 130 0.05 - 0.13 0.08 - 0.15 | 0.1 - 0.2 | 0.15 - 0.25 | 0.16 - 0.3 | ||||
| MBU-1349-3 xx.xx | 12.74 | 13.1 | UMBB110 | 11 | 34 | 9.1 | 10 | Copper alloys | Brass, Red brass | 90 65 - 130 0.05 - 0.13 | 0.08 - 0.15 | 0.1 - 0.2 | 0.15 - 0.25 | 0.16 - 0.3 | |||
| MBU-1349-4 xx.xx | 13.11 | 13.49 | UMBB110 | 11 | 34 | 9.1 | 10 | Electrolytic copper | 100 65 - 130 0.05 - 0.13 | 0.08 - 0.15 | 0.1 - 0.2 | 0.15 - 0.25 | 0.16 - 0.3 | ||||
| MBU-1449-1 xx.xx | 13.5 | 13.82 | UMBB120 | 12 | 34 | 10.8 | 11 | Fe based alloys Non-aged | 200 20 - 50 | 0.05 - 0.12 0.06 - 0.12 | 0.08 - 0.15 | 0.12 - 0.18 | 0.15 - 0.25 | ||||
| MBU-1449-2 xx.xx | 13.83 | 14.15 | UMBB120 | 12 | 34 | 10.8 | 11 | Soluted, Aged | 280 20 - 50 | 0.05 - 0.12 0.06 - 0.12 | 0.08 - 0.15 | 0.12 - 0.18 | 0.15 - 0.25 | ||||
| MBU-1449-3 xx.xx | 14.16 | 14.48 | UMBB120 | 12 | 34 | 10.8 | 11 | Heat-resistant | Non-aged | 250 20 - 50 | 0.05 - 0.12 0.06 - 0.12 | 0.08 - 0.15 | 0.12 - 0.18 | 0.15 - 0.25 | |||
| alloys | Ni / Co based | ||||||||||||||||
| MBU-1449-4 xx.xx | 14.49 | 14.79 | UMBB120 | 12 | 34 | 10.8 | 11 | alloys | Soluted, Aged | 350 20 - 50 | 0.05 - 0.12 0.06 - 0.12 | 0.08 - 0.15 | 0.12 - 0.18 | 0.15 - 0.25 | |||
| The interface of the drill tube has a unique shape. Please be sure to use UMBB drill tube. | Cast | 320 20 - 50 | 0.05 - 0.12 0.06 - 0.12 | 0.08 - 0.15 | 0.12 - 0.18 | 0.15 - 0.25 | |||||||||||
| Titanium alloys | α | Rm400 30 - 60 | 0.05 - 0.1 0.05 - 0.1 | 0.08 - 0.12 | 0.1 - 0.15 | 0.12 - 0.2 | |||||||||||
| α-β | Rm1050 30 - 60 | 0.05 - 0.1 0.05 - 0.1 | 0.08 - 0.12 | 0.1 - 0.15 | 0.12 - 0.2 | ||||||||||||
| ❾❾ | Cutting parameters shown here are relating to the basic recommendations for cutting materials given. | ||||||||||||||||
| Cutting conditions, material hardness, and other relevant variables must be taken into considerations to determine the actual cutting parameters. | |||||||||||||||||
| Reference pages: Standard cutting conditions → 20, Drill tube (STS) → 16 | |||||||||||||||||
| 10 www.tungaloy.com | 20 www.tungaloy.com | ||||||||||||||||
| ❶ : Series name | ❻ : Ordering requirements of Non-standard products | ||||||||||||||||
| ❷ : Feature | ❼ : ISO classifications for grades | ||||||||||||||||
| ❸ : Appearance and dimension drawing | ❽ : Dimension table of Non-standard products | ||||||||||||||||
| ❹ : Item designation | ❾ : Reference pages | ||||||||||||||||
| ❺ : Dimension table | ➓ : Standard cutting conditions |