Spaenaur

Version 1.5 April 2, 2015
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
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 10.4 - 10.9 10.0 - 11.4 — — — — 11.0 - 11.4 11.2 - 11.8
14 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 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 — — — — — — — — — — — —
18.5 15.1 - 15.8 15.8 - 16.5 — — — — 16.2 - 16.7 16.7 - 17.2
20 — — — — — — — — — — — —
22 18.3 - 19.0 19.0 - 19.8 19.3 - 20.0 20.0 - 20.8 19.5 - 20.0 20.0 - 20.5
25 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 — — — — — — — — — — — —
30 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.
26 www.spaenaur.com • service@spaenaur.com • Tel: 1-800-265-8772 • Tel: 519-744-3521 • Fax: 519-744-0818