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MODEL IDENTIFICATION
M104
82
Model numbers are comprised of the basic model number, thread pitch or lead of the lead screw and American or Metric thread as shown
in the following:
Basic Number
Dash Number lndicates Lead or Pitch
The basic difference in the Lead Screw Tapper models is in the combination of gearing assemblies (gear ratio) which determines the
rated free speed (r.p.m.) of the tool as shown in the table below.
MODELS
CAPACITY
METRIC
I
R.P.M.
I
GEARING
I
AIR TUBE
1
DRIVE
1/2”
I
14 mm
175
I
(2 REQ’D)
40834
I
41371
41219-5
8656-BXX-A
7/16”
12
mm
325
40833
8657-BXX-A
41371
3/8”
I
41219-5
10mm
600
40833
8658-BXX-A
I
5/16”
8mm
-
1,300
8659-BXX-A
7mm 2.400
I 41370
I
41219-4 I
41370
I
41219-5
I
41371
41219-4
I
The complete model number, which includes the numbers indicating the pitch or lead of the lead screw, is shown in the table below.
Where model numbers are omitted from the table, the lead screw is not compatible with the rated free speed of the tool. The complete
lead screw and nut assembly, as furnished with a particular model, is also shown in the table. See page 22 for pans breakdown of lead
screw and nut assembly.
NUT ASSEMBLY
MODELS WITH METRIC THREAD LEAD SCREW
I
.40
8657-B2-A
8658-B2-A
8659-B2-A
45785-45
.45
8658-B3-A
8659-B3-A
45785-50
8656-B4-A
.50
8657-B4-A
8658-B4-A
8659-B4-A
4578560
8656-B5-A
.60
8657-B5-A
8658-B5-A
8659-B5-A
8655-B6-A
45785-70
8656-B6-A
.70
8657-B6-A
8658-B6-A
8659-B6-A
8655-B7-A
45785-75
8856-B7-A
.75
8657-B7-A
8658-B7-A
8659-B7-A
45785-80
.80
8657-B8-A
8658-B8-A
8659-B8-A
45785-100
1.00
8655-B9-A
8656-B9-A
8657-B9-A
8658-B9-A
8655-B10-A
45785-125
8656-B10-A
1.25
8657-B10-A
8658-B10-A
1
45785-150
1
1.50
MODELS WITH AMERICAN THREAD LEAD SCREW
8655-B11-A
8656-B11-A
8657-B11-A
8655-B12-A
45453-11
8656-B12-A
11
8657-B12-A
8655-B13-A
45453-12
8656-B13-A
12
8657-B13-A
8658-B13-A
8655-B14-A
45453-13
8656-B14-A
13
8657-B14-A
8658-B14-A
45453-14
14
8655-B16-A
1 8656-B16-A t
8657-B16-A
1
8658-B16-A 1
45453-16
16
1
1
I
8658-Bl8-A
45453-18
,I(
I
8655-B18-A
8656-B18-A
8657-B18-A
8655-B20-A
-
8656-B20-A
8657-B20-A
8658-B20-A
8655-B24-A
45453-20
8656-B24-A
20
8657-B24-A
8658-B24-A
8659-B24-A
8655-B27-A
45453-24
8656-B27-A
24
8657-B27-A
8658-B27-A
8659-B27-A
45453-27
27
8655-B28-A
8656-B28-A
1
8657-B28-A
8658-B28-A
1
8659-B28-A
8655-B32-A
1
45453-28
8656-B32-A
1 8657-B32-A 1 8658-B32-A 1 8659-B32-A 1 45453-32
I
28
8655-B36-A
8656-B36-A
8657-B36-A
1 8658-B36-A
8655-B40-A
1
I
32
8659-B36-A
45453-36
8656-B40-A
8657-B40-A
38
8655-B44-A
8656-B44-A
8659-B44-A
8655-B48-A
1
45453-44
8656-B48-A
1
8657-B48-A
8658-B48-A
8655-B56-A
1
I
44
8659-B48-A
45453-48
8656-B56-A
1
48
I
56
8658-B40-A
1 8659-B40-A
1
1
45453.40
40
1
‘STALL TORQUE
7