Categories

Home THREAD GAUGES Screw Plug, Ring, Caliper HELICAL -V Coil Wire Inserts - Taps - Gauges TAPS HSS Right Hand Threading Tools DIES - DIE NUTS HSS Right Hand Threading Tools Left Hand TAPS & DIES HSS Threading Tools Taps and Dies Carbon Steel TAP and DIE SETS HSS Threading Tools DRILLS, Centre Drills, Step Drill, C/Sink Plain Plug Gauges Go / No-Go Plain Ring Gauges SLIP GAUGE'S AND SET'S Measuring Equipment Slot Drills & End Mills Coventry Die Heads, Chasers Axial Thread Rolling

BS Centre Drill Dimensions

 

 BS Centre Drill dimensions

 BS

BS Centre drills can be purchased from our web site.

Body Diameter

Drill Diameter

Drill Length

Overall Length

Size

Inches

MM

Inches

MM

Inches

MM

Inches

MM

00

.125

3.18

.025

.64

.030

.76

1.125

29

0

.125

3.18

.0312

.79

.038

.97

1.125

29

1

.125

3.18

.0468

1.19

.0468

1.19

1.250

32

2

.1875

4.76

.0781

1.98

.0781

1.98

1.875

48

3

.250

6.35

.1093

2.78

.1093

2.78

2.0

51

4

.3125

7.94

.125

3.18

.125

3.18

2.125

54

5

.4375

11.11

.1875

4.76

.1875

4.76

2.750

70

6

.500

12.70

.2187

5.56

.2187

5.56

3.0

76

7

.625

15.88

.250

6.35

.25

6.35

3.250

83

8

.750

19.05

.3125

7.94

.3125

7.94

3.500

89

9

.875

22.22

.3437

8.73

.3437

8.73

3.625

92

10

1.000

25.40

.375

9.52

.375

9.52

3.750

95

 

 

 

 

 

 

 

 

 

My Basket



Accepted payments


Technical Data
Installing Helical Wire Inserts Wire Insert Tapping Drill Sizes Specials Request Thread Forms Tapping Drill Sizes Taps Technical Information Screw Thread Gauge Specifications BS Centre Drill Dimensions

Information
Sales Office Hours & Contact Details Returns / Cancelled Orders Terms & Conditions General Company Address Information Credit Application Form Privacy Policy Payment Security Delivery Terms Site Map Contact Us


Copyright Engineering Supplies 2006 - 2017
Site Design: Tidy