Section C

Pre-Bore Reference Guidelines

Metric Métrique

Guide de référence d'alésage

RAMPA PRE-BORE REFERENCE GUIDELINES

1

2

3

4

5

6

Material Categories Soft-, Plywoods, Chipboard

Hardwoods, MDF Boards

Soft-, Plywoods, Chipboard

Hardwoods, MDF Boards

Soft-, Plywoods, Chipboard

Hardwoods, MDF Boards

C

C

RAMPA Inserts Type A, B, C, BL, BV, CV, TS

A, B, C, BL, BV, CV, TS

B stainless steel

B stainless steel

CA, D, SK, SKD, SKL, SRD

CA, D, SK, SKD, SKL, SRD

RAMPA Inserts Material Brass, Steel

Brass, Steel

1.4104 / 1.4305 (ASTM A 314-08 /AISI 303)

1.4104 / 1.4305 (ASTM A 314-08 /AISI 303)

Brass, Steel

Brass, Steel

External-Ø

Drill-Ø in mm from - to

Drill-Ø in mm from - to

Drill-Ø in mm from - to

Drill-Ø in mm from - to

Drill-Ø in mm from - to

Drill-Ø in mm from - to

5

— —

— —

— —

— —

— —

— —

5.5

4.1- 4.4

4.4- 4.7

6

4.6 - 4.9

4.9 - 5.2

— —

— —

— —

— —

6.5

5.3 - 5.6

5.6 - 5.8

— —

— —

— —

— —

8

5.7 - 6.1

6.1 - 6.6

6.2 - 6.6

6.6 - 7.1

6.6 - 6.9

6.9 - 7.2

8.5

6.2-6.6

6.6- 7.1

— —

— — — — — — — —

— — — — — — — —

— — — — — — — —

9

6.7 - 7.1

7.1 - 7.6

— —

9.3

7.2 - 7.6

7.6 - 8.1

— — — —

9.7

— —

— —

10

7.6 - 8.0

8.0 - 8.5

7.6 - 8.0

8.0 - 8.5

8.4 - 8.9

8.7 - 9.2

10.5

8.1- 8.5

8.5- 9

11.5

— —

— —

— —

— —

— —

— —

12

9.4 - 9.9

9.9 - 10.4

9.4 - 9.9

10.4 - 10.9

10.0 - 10.4

10.2 - 10.8

12.5

10.1-10.5

10.5-11

— —

— —

— —

— —

13 14

10.4 - 10.9

10.0 - 11.4

— —

— —

11.0 - 11.4

11.2 - 11.8

11.4 - 11.9

11.9 - 12.4

11.9 - 12.4

12.4 - 12.9

12.0 - 12.4

12.2 - 12.8

14.5

— —

— —

— —

— —

— —

— —

14.7

— —

— —

— —

— —

— —

— —

16 18

12.6 - 13.3

13.3 - 14.0

14.1 - 14.8

14.5 - 15.0

14.0 - 14.5

14.2 - 14.9

— —

— —

— —

— —

— —

— —

18.5

15.1 - 15.8

15.8 - 16.5

— — — —

— — — —

16.2 - 16.7

16.7 - 17.2

20 22 25 26 30

— —

— —

— —

— —

18.3 - 19.0

19.0 - 19.8

19.3 - 20.0

20.0 - 20.8

19.5 - 20.0

20.0 - 20.5

CATALOG 14

21.3 - 22.0

22.0 - 22.8

22.3 - 23.0

23.0 - 23.8

22.5 - 23.0

23.0 - 23.5

— —

— —

— —

— —

— — — —

— — — —

26.3 - 27.0

27.0 - 27.8

27.5 - 28.2

27.0 - 27.8

PLEASE NOTE: These figures are guidelines only. We recommend to determine the exact measurements through a process of trial and error. All dimensions in mm. DIAMETER: The pilot hole depends on the external diameter of the RAMPA insert and the density of the material. The harder the material, the larger the drill-hole diameter.

C181

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18 Jan 2018