How to use this catalog

  • Option 1

Standard brazed BTA drill features and size information are listed in Sections ❷, ❸, ❹, and ❺

on each page. Use the guide and information in Sections ❻ and ❽ for special tools tailored for

specific components and applications.

  • Option 2

For brazed BTA drill head details go to Page 06. Note: The products are arranged in increasing order of diameter.

❶❶

➓➓ STANDARD CUTTING CONDITIONS

❷❷ MBU type drill head

Brazed drill head with external s i n g l e - s t a r t thread for single tube system ( STS ) ,

tool diameter ø 8 - ø 1 4 . 7 9 m m

❸❸ H (Wrench size)

MBUUTEBTUBTU
OALDrilling tolerance: IT9(2 edges)(3 edges)

Surface roughness: Ra 2μm P Steel M Stainless K Cast iron

N Non-ferrous : First choice

Standard productsS Superalloys: Second choice
CoatedDrill tube
❹❹DesignationDCDesignationDia. (mm)OALDCONMSH
MBU-0999-2 9.409.4UMBB0838.3347.27ETU
MBU-1199-1 11.0011UMBB10010❺❺348.69(3 edges)
The interface of the drill tube has a unique shape. Please be sure to use UMBB drill tube.䖃: Line up
CuttingFeed: f (mm/rev)

Workpiece Condition Hardness speed Drill dia. (mm)

Non-standard products (to be supplied on request) ❼❼ISOmaterialJISV8 - 2012.6 - 20 20.01 - 31 31.01 - 43 43.01 - 65
c
❻❻(HB) (m/min) MBU, UTEBTU, ETU
When orderingISO classifi cations for gradesCarbon steel S10C - S25C, SS 0.1 - 0.25 %C Non-hardened125 70 - 130 0.05 - 0.13 0.08 - 0.150.1 - 0.170.13 - 0.20.16 - 0.3
MBU-0899-1xx.xx1122GradeISO areaCast steelS25C - S55C0.25 - 0.25 %C Non-hardened190 70 - 130 0.05 - 0.13 0.08 - 0.150.1 - 0.170.13 - 0.20.16 - 0.3
5 10 15 20 25 30 35 40High carbon0.25 - 0.25 %C Hardened250 70 - 130 0.05 - 0.13 0.08 - 0.150.1 - 0.170.13 - 0.20.16 - 0.3
steel
1122Carbon toolSK0.55 - 0.80 %C Non-hardened220 70 - 130 0.05 - 0.13 0.08 - 0.150.1 - 0.170.13 - 0.20.16 - 0.3
Drill headDiameter (mm)Gradesteel0.55 - 0.80 %C Hardened300 70 - 130 0.05 - 0.10.08 - 0.120.1 - 0.150.13 - 0.170.15 - 0.28
e.g. Designation for tool diameter ø9 mm: MBU-0899-1 9.00 11223112Non-hardened200 70 - 110 0.05 - 0.13 0.08 - 0.150.1 - 0.170.13 - 0.20.16 - 0.3
3112Low alloy steel275 60 - 110 0.05 - 0.10.08 - 0.120.1 - 0.150.13 - 0.170.15 - 0.28
Cast steelSNC, DCr, SNCN
3112(alloying ele-SCM, SMnHardened300 60 - 110 0.05 - 0.10.08 - 0.120.1 - 0.150.13 - 0.170.15 - 0.28
3112ment < 5%)350 60 - 110 0.05 - 0.10.08 - 0.120.1 - 0.150.13 - 0.170.15 - 0.28
High alloy steel, Cast steelSNS, SKD, SKTNon-hardened200 70 - 130 0.05 - 0.13 0.08 - 0.150.1 - 0.170.13 - 0.20.16 - 0.3
Designation DCNDCXDrill tubeOALDCONMSHTool steelSKH, SKHardened325 70 - 130 0.05 - 0.10.08 - 0.120.1 - 0.150.13 - 0.170.15 - 0.28
DesignationDia. (mm)SUS430Ferritic200 40 - 110 0.05 - 0.13 0.08 - 0.150.1 - 0.280.13 - 0.30.16 - 0.35
MBU-0899-1 xx.xx88.32UMBB0717.13466Stainless steelSUS410, 420JMartensitic240 40 - 110 0.05 - 0.13 0.08 - 0.150.1 - 0.280.13 - 0.30.16 - 0.35
MBU-0899-2 xx.xx8.338.65UMBB0717.13466SUS304, SUS316LAustenitic180 40 - 110 0.05 - 0.12 0.05 - 0.120.08 - 0.250.1 - 0.280.15 - 0.33
MBU-0899-3 xx.xx8.668.99UMBB0717.13466Ductile castFCD400 - FCD450Ferritic / Pearlitic180 50 - 110 0.05 - 0.13 0.08 - 0.150.1 - 0.170.13 - 0.20.16 - 0.3
MBU-0999-1 xx.xx99.32UMBB0838.3347.27ironFCD500 - FCD700Pearlitic260 50 - 110 0.05 - 0.13 0.08 - 0.150.1 - 0.170.13 - 0.20.16 - 0.3
MBU-0999-2 xx.xx9.339.65UMBB0838.3347.27Grey cast ironFC100 - FC200Low tensile strength160 60 - 110 0.05 - 0.13 0.06 - 0.130.08 - 0.180.1 - 0.20.15 - 0.25
MBU-0999-3 xx.xx9.669.99UMBB0838.3347.27FC250 - FC350High tensile strength250 60 - 110 0.05 - 0.13 0.06 - 0.130.08 - 0.180.1 - 0.20.15 - 0.25
❽❽ MBU-1099-1 xx.xx1010.32UMBB0909347.68Malleable castFCMB, FCMWFerritic130 70 - 110 0.05 - 0.13 0.06 - 0.130.08 - 0.180.1 - 0.20.15 - 0.25
MBU-1099-2 xx.xx10.3310.65UMBB0909347.68ironFCMWP, FCMPPearlitic230 70 - 110 0.05 - 0.13 0.06 - 0.130.08 - 0.180.1 - 0.20.15 - 0.25
MBU-1099-3 xx.xx10.6610.99UMBB0909347.68Aluminium alloysNon-aged60 65 - 130 0.05 - 0.13 0.08 - 0.150.1 - 0.20.15 - 0.250.16 - 0.3
MBU-1199-1 xx.xx1111.32UMBB10010348.69WroughtSoluted, Aged100 65 - 130 0.05 - 0.13 0.08 - 0.150.1 - 0.20.15 - 0.250.16 - 0.3
MBU-1199-2 xx.xx11.3311.65UMBB10010348.69Aluminium≤12% SiNon-aged75 65 - 130 0.05 - 0.13 0.08 - 0.150.1 - 0.20.15 - 0.250.16 - 0.3
MBU-1199-3 xx.xx11.6611.99UMBB10010348.69alloysSoluted, Aged90 65 - 130 0.05 - 0.13 0.08 - 0.150.1 - 0.20.15 - 0.250.16 - 0.3
MBU-1349-1 xx.xx1212.36UMBB11011349.110Cast>12% SiHigh silicon content130 65 - 130 0.05 - 0.13 0.08 - 0.150.1 - 0.20.15 - 0.250.16 - 0.3
MBU-1349-2 xx.xx12.3712.73UMBB11011349.110>1% PbFree-cutting copper110 65 - 130 0.05 - 0.13 0.08 - 0.150.1 - 0.20.15 - 0.250.16 - 0.3
MBU-1349-3 xx.xx12.7413.1UMBB11011349.110Copper alloysBrass, Red brass90 65 - 130 0.05 - 0.130.08 - 0.150.1 - 0.20.15 - 0.250.16 - 0.3
MBU-1349-4 xx.xx13.1113.49UMBB11011349.110Electrolytic copper100 65 - 130 0.05 - 0.130.08 - 0.150.1 - 0.20.15 - 0.250.16 - 0.3
MBU-1449-1 xx.xx13.513.82UMBB120123410.811Fe based alloys Non-aged200 20 - 500.05 - 0.12 0.06 - 0.120.08 - 0.150.12 - 0.180.15 - 0.25
MBU-1449-2 xx.xx13.8314.15UMBB120123410.811Soluted, Aged280 20 - 500.05 - 0.12 0.06 - 0.120.08 - 0.150.12 - 0.180.15 - 0.25
MBU-1449-3 xx.xx14.1614.48UMBB120123410.811Heat-resistantNon-aged250 20 - 500.05 - 0.12 0.06 - 0.120.08 - 0.150.12 - 0.180.15 - 0.25
alloysNi / Co based
MBU-1449-4 xx.xx14.4914.79UMBB120123410.811alloysSoluted, Aged350 20 - 500.05 - 0.12 0.06 - 0.120.08 - 0.150.12 - 0.180.15 - 0.25
The interface of the drill tube has a unique shape. Please be sure to use UMBB drill tube.Cast320 20 - 500.05 - 0.12 0.06 - 0.120.08 - 0.150.12 - 0.180.15 - 0.25
Titanium alloysαRm400 30 - 600.05 - 0.1 0.05 - 0.10.08 - 0.120.1 - 0.150.12 - 0.2
α-βRm1050 30 - 600.05 - 0.1 0.05 - 0.10.08 - 0.120.1 - 0.150.12 - 0.2
❾❾Cutting 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.com20 www.tungaloy.com
❶ : Series name❻ : Ordering requirements of Non-standard products
❷ : Feature❼ : ISO classifications for grades
❸ : Appearance and dimension drawing❽ : Dimension table of Non-standard products
❹ : Item designation❾ : Reference pages
❺ : Dimension table➓ : Standard cutting conditions