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Backing pad for polishing and medium to rough grinding

Medium-hard black
ø
in mm
Height
in mm
Thread Item No.
97 15 M10 x 1.5 1491-1A
98 15 M10 x 1.5 1336-1A
113 16 M14 x 2 1338-1A
113 20 M14 x 2 1339-1A
123 15 M14 x 2 1367-1A
123 20 M14 x 2 1335-1A
148 22 M14 x 2 1313-1A
172 18 M14 x 2 1309-1A
172 20 M14 x 2 1305-1A
218 20 M14 x 2 1326-1A
mhart-schwarz
Medium-hard white
ø
in mm
Height
in mm
Thread Item No.
98 15 M10 x 1.5 1616-1A
113 17.5 M14 x 2 1618-1A
123 19.5 M14 x 2 1620-1A
173 18 M14 x 2 1621-1A
218 20 M14 x 2 1326-1A
mhart-weiss
Hard black
ø
in mm
Height
in mm
 Thread Item No.
97 15 M10 x 1.5 1491-1D
113 15.5 M14 x 2 1340-1D
113 20 M14 x 2 1342-1D
123 21 M14 x 2 1357-1D
148 21 M14 x 2 1313-1D
172 20 M14 x 2 1317-1D
hart-schwarz

Backing pad for polishing and grinding curved surfaces

Soft black
ø
in mm
Height
in mm
 Thread Item No.
113 16 M14 x 2 1338-1B
123 20 M14 x 2 1335-1B
172 18 M14 x 2 1309-1B
172 21 M14 x 2 1309-1B
mhart-schwarz

 

Backing pads with cooling ribs for use on special steel, rough grinding and other aggresive operations

Hard glass fiber reinforced (suitable for stainless steel processing)
ø
in mm
Height
in mm
 Thread Item No.
113 17 M14 x 2 1472-1C
123 17 M14 x 2 1471-1C
173 21 M14 x 2 1488-1C
hart-glasfaserver
Hard
ø
in mm
Height
in mm
 Thread Item No.
113 17 M14 x 2 1472-1E
123 17 M14 x 2 1471-1E
173 21 M14 x 2 1488-1E
hart

Backing pad in accordance with ISO/DIS 15636.2 for wide range of applications

Soft black
øin mm Height
in mm
 Thread Item No. Material

Code

92.5 20 M14 x 2 1660-1I E
107.5 20 M14 x 2 1661-1I E
117 20 M14 x 2 1662-1I E
142 20 M14 x 2 1663-1I E
172 20 M14 x 2 1664-1I E
Tellet 1I schwarz oben mhart-schwarz
Medium-hard white
ø
in mm
Height
in mm
 Thread Item No. Material

Code

92.5 20 M14 x 2 1660-1I A
107.5 20 M14 x 2 1661-1I A
117 20 M14 x 2 1662-1I A
142 20 M14 x 2 1663-1I A
172 20 M14 x 2 1664-1I A
Tellet 1I weiss oben weich-schw
Hard black (glass fiber reinforced) with cooling ribs
ø
in mm
Height
in mm
 Thread Item No. Material

Code

92.5 20 M14 x 2 1670-1I S
107.5 20 M14 x 2 1671-1I S
117 20 M14 x 2 1672-1I S
142 20 M14 x 2 1673-1I S
172 20 M14 x 2 1674-1I S
Tellet 1I schwarz oben hart-schw-kuhl

Hard white with cooling ribs
ø
in mm
Height
in mm
 Thread Item No. Material

Code

92.5 20 M14 x 2 1670-1I A
107.5 20 M14 x 2 1671-1I A
117 20 M14 x 2 1672-1I A
142 20 M14 x 2 1673-1I A
172 20 M14 x 2 1674-1I A
Tellet 1I weiss oben mhart-weiss-kuhl
RPM table
ø
in mm
peripheral         speed Max. permitted speed  [RPM]
100 mm 80 m/s 15300
115 mm 80 m/s 13300
125 mm 80 m/s 12250
150 mm 80 m/s 10200
180 mm 80 m/s   8500
230 mm 80 m/s   6500