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Martindale Undercutting Saws

GENERAL
     Martindale Undercutting Saws and V-Cutters are available in High-Speed Steel of Tungsten-Carbide.  Both types are carefully designed as to tooth form, hollow grind, hardness, etc., and manufactured to close tolerances in our own plant.
     While used primarily for undercutting mica and slotting risers of commutators, Martindale Undercutting Saws and V-Cutters are also used for cutting steel, aluminum, plastics, and other materials not requiring set teeth. 
     Undercutting differs from ordinary machining in that, instead of shearing, it is a combination of crushing, grinding, and conveying.  Mica is very abrasive and varies in hardness, making necessary the very best design and production controls in the manufacture of undercutting saws.

HIGH-SPEED STEEL SAWS and V-CUTTERS
     These can be used on either portable or stationary equipment with spindle speeds of 1,500 to 5,000 r.p.m.
    (See Martindale Mica Undercutters for 16 Undercutters.)

Metric Sizes

25mm. O.D. Î 7mm. I.D. Saws and
V-Cutters in stock, along with
other metric sizes,
upon request.

SAWS  (U-Slot)

     Illustrations at left and above; specifications below.  Saws stocked in these thicknesses:
.015", .018", .020", .023", .025", .026", .028", .030", .032", .035", .038", .040", .043", .045", .050", .053", .055", .058", .060", .063", .065" 

     Be Sure to Specify Thickness.

V-CUTTERS ("V"-Slot)

     Illustrations above; specifications below.  These cutters are all 0.045" thick and stocked with 40, 50, and 60 angles between cutting edges.  40 V-cutters are for thin mica, 50 for medium mica, 60 for thick mica.
     Be Sure to Specify Angle 40
, 50, or 60.

Type Number O.D. Hole No. Teeth Catalog Number
10-HS
9-HS
9-1/2-HS
32-HS
1/4"
9/32"
5/16"
3/8"
1/8"
1/8"
1/8"
1/8"
14
14
16
18
HSMS10
HSMS9
HSMS9.5
HSMS32
33-HS
12-HS
42-HS
16-HS
3/8"
7/16"
1/2"  1/2"
3/16"
1/8"
1/8"
3/16"
18
18
18
18
HSMS33
HSMS12
HSMS42
HSMS16
13-HS
14-HS
64-HS
65-HS
11/16"
23/32"
3/4"
3/4"
3/16"
5/16"
1/4"
5/16" 
28
32
22
22
HSMS13
HSMS14
HSMS64
HSMS65
74-HS
3-HS
75-HS
84-HS
7/8"
7/8"
7/8"
1"
1/4"
9/32"
5/16"
1/4"
24
24
24
28
HSMS74
HSMS3
HSMS75
HSMS84
4-HS
85-HS
86-HS
5-HS
1"
1"
1"
1-1/8"
9/32"
5/16"
3/8"
9/32"
28
28
28
28
HSMS4
HSMS85
HSMS86
HSMS5
96-HS
97-KHS
6-HS
105-KHS
1-1/8"
1-1/8"
1-1/4"
1-1/4"
3/8"
7/16"
9/32"
5/16"
28
28
32
32 
HSMS96
HSMS97K
HSMS6 HSMS105K
106-HS
108-KHS
116-HS
1-1/4"
1-1/4"
1-3/8"
3/8"
1/2"
3/8"
32
32
36
HSMS106 HSMS108K HSMS116

 

Type number O.D. Hole No. Teeth Catalog Number
42-VHS
17-VHS
13-VHS
15-VHS
1/2"
1/2"
11/16"
23/32"
1/8"
3/16"
3/16"
5/16"
12
12
14
14
HSMSV42
HSMSV17
HSMSV13
HSMSV15
64-VHS
65-VHS
74-VHS
3-VHS
3/4"
3/4"
7/8"
7/8"
1/4"
5/16"
1/4"
9/32"
14
14
18
18
HSMSV64
HSMSV65
HSMSV74
HSMSV3 
75-VHS
84-VHS
4-VHS
85-VHS
7/8"
1"
1"
1"
5/16"
1/4"
9/32"
5/16"
18
22
22
22
HSMSV75
HSMSV84
HSMSV4
HSMSV85
86-VHS
5-VHS
96-VHS
97-KVHS
1"
1-1/8"
1-1/8"
1-1/8"
3/8"
9/32"
3/8"
7/16"
22
24
24
24
HSMSV86
HSMSV5
HSMSV96
HSMSV97K
6-VHS
105-KVHS
106-VHS
108-KVHS
116-VHS
1-1/4"
1-1/4"
1-1/4"
1-1/4"
1-3/8"
9/32"
5/16"
3/8"
1/2"
3/8"
24
24
24
24
26
HSMSV6
HSMSV105K
HSMSV106
HSMSV108K
HSMSV116
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