ROYAL ULTRA-PRECISION QUICK-GRIP™ COLLETS
QG-42

QG-42 CAPACITY
Bar Diameter1.66" (42.8mm)
Slug Diameter2.62" (66.5mm)
  • Huge inventory of Round, Hex, Square, and Emergency styles always in stock, ready for same-day shipping.
  • Smooth and serrated versions for round-bore models (all others smooth only).
  • Industry-leading 0.062" gripping range covers a wide range of part diameters. Collets are ground to nominal size and have a range of ±0.031".
  • Parallel-grip ensures full-length part contact for maximum grip force, rigidity, and accuracy.
  • Can be counter-bored for increased part capacity up to 2.62" – see QG-42 Royal Boring Fixtures for details.
  • Quick-ship specials available for custom shapes.
  • Can utilize manual and pneumatic changing tools.

Royal QG-42 Round Smooth Collets (Inch)

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NOMINAL SIZE
RANGE
PART NUMBER
PRICE
In-Stock
3⁄16″ (0.188″)
0.157″ - 0.219″
44101
$331.00
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Min: 0
Step: 1
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7⁄32″ (0.219″)
0.188″ - 0.250″
44102
$331.00
✓
Max:
Min: 0
Step: 1
Add
1⁄4″ (0.250″)
0.219″ - 0.281″
44103
$331.00
✓
Max:
Min: 0
Step: 1
Add
9⁄32″ (0.281″)
0.250″ - 0.312″
44104
$331.00
✓
Max:
Min: 0
Step: 1
Add
5⁄16″ (0.313″)
0.282″ - 0.344″
44105
$331.00
✓
Max:
Min: 0
Step: 1
Add
11⁄32″ (0.344″)
0.313″ - 0.375″
44106
$331.00
✓
Max:
Min: 0
Step: 1
Add
3⁄8″ (0.375″)
0.344″ - 0.406″
44107
$331.00
✓
Max:
Min: 0
Step: 1
Add
13⁄32″ (0.406″)
0.375″ - 0.437″
44108
$331.00
✓
Max:
Min: 0
Step: 1
Add
7⁄16″ (0.438″)
0.407″ - 0.469″
44109
$331.00
✓
Max:
Min: 0
Step: 1
Add
15⁄32″ (0.469″)
0.438″ - 0.500″
44110
$331.00
✓
Max:
Min: 0
Step: 1
Add
1⁄2″ (0.500″)
0.469″ - 0.531″
44111
$331.00
✓
Max:
Min: 0
Step: 1
Add
17⁄32″ (0.531″)
0.500″ - 0.562″
44112
$331.00
✓
Max:
Min: 0
Step: 1
Add
9⁄16″ (0.563″)
0.532″ - 0.594″
44113
$331.00
✓
Max:
Min: 0
Step: 1
Add
19⁄32″ (0.594″)
0.563″ - 0.625″
44114
$331.00
✓
Max:
Min: 0
Step: 1
Add
5⁄8″ (0.625″)
0.594″ - 0.656″
44115
$331.00
✓
Max:
Min: 0
Step: 1
Add
21⁄32″ (0.656″)
0.625″ - 0.687″
44116
$331.00
✓
Max:
Min: 0
Step: 1
Add
11⁄16″ (0.688″)
0.657″ - 0.719″
44117
$331.00
✓
Max:
Min: 0
Step: 1
Add
23⁄32″ (0.719″)
0.688″ - 0.750″
44118
$331.00
✓
Max:
Min: 0
Step: 1
Add
3⁄4″ (0.750″)
0.719″ - 0.781″
44119
$331.00
✓
Max:
Min: 0
Step: 1
Add
25⁄32″ (0.781″)
0.750″ - 0.812″
44120
$331.00
✓
Max:
Min: 0
Step: 1
Add
13⁄16″ (0.813″)
0.782″ - 0.844″
44121
$331.00
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Min: 0
Step: 1
Add
27⁄32″ (0.844″)
0.813″ - 0.875″
44122
$331.00
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Min: 0
Step: 1
Add
7⁄8″ (0.875″)
0.844″ - 0.906″
44123
$331.00
✓
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Min: 0
Step: 1
Add
29⁄32″ (0.906″)
0.875″ - 0.937″
44124
$331.00
✓
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Min: 0
Step: 1
Add
15⁄16″ (0.938″)
0.907″ - 0.969″
44125
$331.00
✓
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Min: 0
Step: 1
Add
31⁄32″ (0.969″)
0.938″ - 1.000″
44126
$331.00
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Min: 0
Step: 1
Add
1″ (1.000″)
0.969″ - 1.031″
44127
$331.00
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Min: 0
Step: 1
Add
1 1⁄32″ (1.031″)
1.000″ - 1.062″
44128
$331.00
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Min: 0
Step: 1
Add
1 1⁄16″ (1.063″)
1.032″ - 1.094″
44129
$331.00
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Min: 0
Step: 1
Add
1 3⁄32″ (1.094″)
1.063″ - 1.125″
44130
$331.00
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Min: 0
Step: 1
Add
1 1⁄8″ (1.125″)
1.094″ - 1.156″
44131
$331.00
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Min: 0
Step: 1
Add
1 5⁄32″ (1.156″)
1.125″ - 1.187″
44132
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 3⁄16″ (1.188″)
1.157″ - 1.219″
44133
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 7⁄32″ (1.219″)
1.188″ - 1.250″
44134
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 1⁄4″ (1.250″)
1.219″ - 1.281″
44135
$331.00
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Max:
Min: 0
Step: 1
Add
1 9⁄32″ (1.281″)
1.250″ - 1.312″
44136
$331.00
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Max:
Min: 0
Step: 1
Add
1 5⁄16″ (1.313″)
1.282″ - 1.344″
44137
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 11⁄32″ (1.344″)
1.313″ - 1.375″
44138
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 3⁄8″ (1.375″)
1.344″ - 1.406″
44139
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 13⁄32″ (1.406″)
1.375″ - 1.437″
44140
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 7⁄16″ (1.438″)
1.407″ - 1.469″
44141
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 15⁄32″ (1.469″)
1.438″ - 1.500″
44142
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 1⁄2″ (1.500″)
1.469″ - 1.531″
44143
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 17⁄32″ (1.531″)
1.500″ - 1.562″
44144
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 9⁄16″ (1.563″)
1.532″ - 1.594″
44145
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 19⁄32″ (1.594″)
1.563″ - 1.625″
44146
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 5⁄8″ (1.625″)
1.594″ - 1.656″
44147
$331.00
✓
Max:
Min: 0
Step: 1
Add

Royal QG-42 Round Smooth Collets (Metric)

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NOMINAL SIZE
RANGE
PART NUMBER
PRICE
In-Stock
4mm
3.25mm - 4.75mm
62100
$331.00
✓
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Min: 0
Step: 1
Add
5mm
4.25mm - 5.75mm
62102
$331.00
✓
Max:
Min: 0
Step: 1
Add
6mm
5.25mm - 6.75mm
62104
$331.00
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Min: 0
Step: 1
Add
7mm
6.25mm - 7.75mm
62106
$331.00
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Min: 0
Step: 1
Add
8mm
7.25mm - 8.75mm
62108
$331.00
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Min: 0
Step: 1
Add
9mm
8.25mm - 9.75mm
62110
$331.00
✓
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Min: 0
Step: 1
Add
10mm
9.25mm - 10.75mm
62112
$331.00
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Min: 0
Step: 1
Add
11mm
10.25mm - 11.75mm
62114
$331.00
✓
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Min: 0
Step: 1
Add
12mm
11.25mm - 12.75mm
62116
$331.00
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Min: 0
Step: 1
Add
13mm
12.25mm - 13.75mm
62118
$331.00
✓
Max:
Min: 0
Step: 1
Add
14mm
13.25mm - 14.75mm
62120
$331.00
✓
Max:
Min: 0
Step: 1
Add
15mm
14.25mm - 15.75mm
62122
$331.00
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Min: 0
Step: 1
Add
16mm
15.25mm - 16.75mm
62124
$331.00
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Min: 0
Step: 1
Add
17mm
16.25mm - 17.75mm
62126
$331.00
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Min: 0
Step: 1
Add
18mm
17.25mm - 18.75mm
62128
$331.00
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Min: 0
Step: 1
Add
19mm
18.25mm - 19.75mm
62130
$331.00
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Min: 0
Step: 1
Add
20mm
19.25mm - 20.75mm
62132
$331.00
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Min: 0
Step: 1
Add
21mm
20.25mm - 21.75mm
62134
$331.00
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Min: 0
Step: 1
Add
22mm
21.25mm - 22.75mm
62136
$331.00
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Min: 0
Step: 1
Add
23mm
22.25mm - 23.75mm
62138
$331.00
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Min: 0
Step: 1
Add
24mm
23.25mm - 24.75mm
62140
$331.00
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Min: 0
Step: 1
Add
25mm
24.25mm - 25.75mm
62142
$331.00
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Min: 0
Step: 1
Add
26mm
25.25mm - 26.75mm
62144
$331.00
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Min: 0
Step: 1
Add
27mm
26.25mm - 27.75mm
62146
$331.00
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Min: 0
Step: 1
Add
28mm
27.25mm - 28.75mm
62148
$331.00
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Min: 0
Step: 1
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29mm
28.25mm - 29.75mm
62150
$331.00
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Min: 0
Step: 1
Add
30mm
29.25mm - 30.75mm
62152
$331.00
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Step: 1
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31mm
30.25mm - 31.75mm
62154
$331.00
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Min: 0
Step: 1
Add
32mm
31.25mm - 32.75mm
62156
$331.00
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Min: 0
Step: 1
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33mm
32.25mm - 33.75mm
62158
$331.00
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Min: 0
Step: 1
Add
34mm
33.25mm - 34.75mm
62160
$331.00
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Min: 0
Step: 1
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35mm
34.25mm - 35.75mm
62162
$331.00
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Min: 0
Step: 1
Add
36mm
35.25mm - 36.75mm
62164
$331.00
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Min: 0
Step: 1
Add
37mm
36.25mm - 37.75mm
62166
$331.00
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Min: 0
Step: 1
Add
38mm
37.25mm - 38.75mm
62168
$331.00
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Min: 0
Step: 1
Add
39mm
38.25mm - 39.75mm
62170
$331.00
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Min: 0
Step: 1
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40mm
39.25mm - 40.75mm
62172
$331.00
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Step: 1
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41mm
40.25mm - 41.75mm
62174
$331.00
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Step: 1
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42mm
41.25mm - 42.75mm
62176
$331.00
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Min: 0
Step: 1
Add

Royal QG-42 Round Serrated Collets (Inch)

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NOMINAL SIZE
RANGE
PART NUMBER
PRICE
In-Stock
11⁄32″ (0.344″)
0.313″ - 0.375″
44155
$331.00
✓
Max:
Min: 0
Step: 1
Add
3⁄8″ (0.375″)
0.344″ - 0.406″
44156
$331.00
✓
Max:
Min: 0
Step: 1
Add
13⁄32″ (0.406″)
0.375″ - 0.437″
44157
$331.00
✓
Max:
Min: 0
Step: 1
Add
7⁄16″ (0.438″)
0.407″ - 0.469″
44158
$331.00
✓
Max:
Min: 0
Step: 1
Add
15⁄32″ (0.469″)
0.438″ - 0.500″
44159
$331.00
✓
Max:
Min: 0
Step: 1
Add
1⁄2″ (0.500″)
0.469″ - 0.531″
44160
$331.00
✓
Max:
Min: 0
Step: 1
Add
17⁄32″ (0.531″)
0.500″ - 0.562″
44161
$331.00
✓
Max:
Min: 0
Step: 1
Add
9⁄16″ (0.563″)
0.532″ - 0.594″
44162
$331.00
✓
Max:
Min: 0
Step: 1
Add
19⁄32″ (0.594″)
0.563″ - 0.625″
44163
$331.00
✓
Max:
Min: 0
Step: 1
Add
5⁄8″ (0.625″)
0.594″ - 0.656″
44164
$331.00
✓
Max:
Min: 0
Step: 1
Add
21⁄32″ (0.656″)
0.625″ - 0.687″
44165
$331.00
✓
Max:
Min: 0
Step: 1
Add
11⁄16″ (0.688″)
0.657″ - 0.719″
44166
$331.00
✓
Max:
Min: 0
Step: 1
Add
23⁄32″ (0.719″)
0.688″ - 0.750″
44167
$331.00
✓
Max:
Min: 0
Step: 1
Add
3⁄4″ (0.750″)
0.719″ - 0.781″
44168
$331.00
✓
Max:
Min: 0
Step: 1
Add
25⁄32″ (0.781″)
0.750″ - 0.812″
44169
$331.00
✓
Max:
Min: 0
Step: 1
Add
13⁄16″ (0.813″)
0.782″ - 0.844″
44170
$331.00
✓
Max:
Min: 0
Step: 1
Add
27⁄32″ (0.844″)
0.813″ - 0.875″
44171
$331.00
✓
Max:
Min: 0
Step: 1
Add
7⁄8″ (0.875″)
0.844″ - 0.906″
44172
$331.00
✓
Max:
Min: 0
Step: 1
Add
29⁄32″ (0.906″)
0.875″ - 0.937″
44173
$331.00
✓
Max:
Min: 0
Step: 1
Add
15⁄16″ (0.938″)
0.907″ - 0.969″
44174
$331.00
✓
Max:
Min: 0
Step: 1
Add
31⁄32″ (0.969″)
0.938″ - 1.000″
44175
$331.00
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Max:
Min: 0
Step: 1
Add
1″ (1.000″)
0.969″ - 1.031″
44176
$331.00
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Max:
Min: 0
Step: 1
Add
1 1⁄16″ (1.063″)
1.032″ - 1.094″
44177
$331.00
✓
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Min: 0
Step: 1
Add
1 1⁄8″ (1.125″)
1.094″ - 1.156″
44178
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 3⁄16″ (1.188″)
1.157″ - 1.219″
44179
$331.00
✓
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Min: 0
Step: 1
Add
1 1⁄4″ (1.250″)
1.219″ - 1.281″
44180
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 5⁄16″ (1.313″)
1.282″ - 1.344″
44181
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 3⁄8″ (1.375″)
1.344″ - 1.406″
44182
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 7⁄16″ (1.438″)
1.407″ - 1.469″
44183
$331.00
✓
Max:
Min: 0
Step: 1
Add
1 1⁄2″ (1.500″)
1.469″ - 1.531″
44184
$331.00
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Max:
Min: 0
Step: 1
Add
1 9⁄16″ (1.563″)
1.532″ - 1.594″
44185
$331.00
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Min: 0
Step: 1
Add
1 5⁄8″ (1.625″)
1.594″ - 1.656″
44186
$346.00
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Max:
Min: 0
Step: 1
Add

Royal QG-42 Round Serrated Collets (Metric)

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NOMINAL SIZE
RANGE
PART NUMBER
PRICE
In-Stock
9mm
8.25mm - 9.75mm
62200
$331.00
✓
Max:
Min: 0
Step: 1
Add
10mm
9.25mm - 10.75mm
62201
$331.00
✓
Max:
Min: 0
Step: 1
Add
11mm
10.25mm - 11.75mm
62202
$331.00
✓
Max:
Min: 0
Step: 1
Add
12mm
11.25mm - 12.75mm
62203
$331.00
✓
Max:
Min: 0
Step: 1
Add
13mm
12.25mm - 13.75mm
62204
$331.00
✓
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Min: 0
Step: 1
Add
14mm
13.25mm - 14.75mm
62205
$331.00
✓
Max:
Min: 0
Step: 1
Add
15mm
14.25mm - 15.75mm
62206
$331.00
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Min: 0
Step: 1
Add
16mm
15.25mm - 16.75mm
62207
$331.00
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Min: 0
Step: 1
Add
17mm
16.25mm - 17.75mm
62208
$331.00
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Min: 0
Step: 1
Add
18mm
17.25mm - 18.75mm
62209
$331.00
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Min: 0
Step: 1
Add
19mm
18.25mm - 19.75mm
62210
$331.00
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Min: 0
Step: 1
Add
20mm
19.25mm - 20.75mm
62211
$331.00
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Min: 0
Step: 1
Add
21mm
20.25mm - 21.75mm
62212
$331.00
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Min: 0
Step: 1
Add
22mm
21.25mm - 22.75mm
62213
$331.00
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Min: 0
Step: 1
Add
23mm
22.25mm - 23.75mm
62214
$331.00
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Min: 0
Step: 1
Add
24mm
23.25mm - 24.75mm
62215
$331.00
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Min: 0
Step: 1
Add
25mm
24.25mm - 25.75mm
62216
$331.00
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Min: 0
Step: 1
Add
26mm
25.25mm - 26.75mm
62217
$331.00
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Min: 0
Step: 1
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27mm
26.25mm - 27.75mm
62218
$331.00
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Min: 0
Step: 1
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28mm
27.25mm - 28.75mm
62219
$331.00
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Min: 0
Step: 1
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29mm
28.25mm - 29.75mm
62220
$331.00
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Step: 1
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30mm
29.25mm - 30.75mm
62221
$331.00
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Min: 0
Step: 1
Add
31mm
30.25mm - 31.75mm
62222
$331.00
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Min: 0
Step: 1
Add
32mm
31.25mm - 32.75mm
62223
$331.00
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Max:
Min: 0
Step: 1
Add
33mm
32.25mm - 33.75mm
62224
$331.00
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Max:
Min: 0
Step: 1
Add
34mm
33.25mm - 34.75mm
62225
$331.00
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Min: 0
Step: 1
Add
35mm
34.25mm - 35.75mm
62226
$331.00
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Min: 0
Step: 1
Add
36mm
35.25mm - 36.75mm
62227
$331.00
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Max:
Min: 0
Step: 1
Add
37mm
36.25mm - 37.75mm
62228
$331.00
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Min: 0
Step: 1
Add
38mm
37.25mm - 38.75mm
62229
$331.00
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Min: 0
Step: 1
Add
39mm
38.25mm - 39.75mm
62230
$331.00
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Min: 0
Step: 1
Add
40mm
39.25mm - 40.75mm
62231
$331.00
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Min: 0
Step: 1
Add
41mm
40.25mm - 41.75mm
62232
$331.00
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Step: 1
Add
42mm
41.25mm - 42.75mm
62233
$331.00
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Min: 0
Step: 1
Add

Royal QG-42 Hex Collets

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NOMINAL SIZE
RANGE
PART NUMBER
PRICE
In-Stock
1⁄4″ (0.250″)
0.219″ - 0.281″
44375
$494.00
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3⁄8″ (0.375″)
0.344″ - 0.406″
44377
$494.00
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Step: 1
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1⁄2″ (0.500″)
0.469″ - 0.531″
44379
$494.00
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Min: 0
Step: 1
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5⁄8″ (0.625″)
0.594″ - 0.656″
44381
$494.00
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Min: 0
Step: 1
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3⁄4″ (0.750″)
0.719″ - 0.781″
44383
$494.00
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Min: 0
Step: 1
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7⁄8″ (0.875″)
0.844″ - 0.906″
44385
$494.00
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Min: 0
Step: 1
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1″ (1.000″)
0.969″ - 1.031″
44387
$494.00
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Step: 1
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1 1⁄8″ (1.125″)
1.094″ - 1.156″
44389
$494.00
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Step: 1
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1 1⁄4″ (1.250″)
1.219″ - 1.281″
44391
$494.00
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Step: 1
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1 3⁄8″ (1.375″)
1.344″ - 1.406″
44393
$494.00
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Royal QG-42 Square Collets

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NOMINAL SIZE
RANGE
PART NUMBER
PRICE
In-Stock
1⁄4″ (0.250″)
0.219″ - 0.281″
44670
$494.00
✓
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Min: 0
Step: 1
Add
3⁄8″ (0.375″)
0.344″ - 0.406″
44672
$494.00
✓
Max:
Min: 0
Step: 1
Add
1⁄2″ (0.500″)
0.469″ - 0.531″
44674
$494.00
✓
Max:
Min: 0
Step: 1
Add
5⁄8″ (0.625″)
0.594″ - 0.656″
44676
$494.00
✓
Max:
Min: 0
Step: 1
Add
3⁄4″ (0.750″)
0.719″ - 0.781″
44678
$494.00
✓
Max:
Min: 0
Step: 1
Add
7⁄8″ (0.875″)
0.844″ - 0.906″
44680
$494.00
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Max:
Min: 0
Step: 1
Add
1″ (1.000″)
0.969″ - 1.031″
44682
$494.00
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Min: 0
Step: 1
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1 1⁄8″ (1.125″)
1.094″ - 1.156″
44684
$494.00
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Royal QG-42 Emergency Collets

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PILOT HOLE SIZE
PART NUMBER
PRICE
In-Stock
5mm (0.20″)
44187
$388.00
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15mm (0.59″)
44188
$388.00
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PRODUCT
PART NUMBER
PRICE
Boring Fixture – QG-42
44082
$233.00
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Royal Quick-Grip™ Pneumatic Collet Installation Tool

Royal QG-42 Collet Installation Tools

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TYPE
NUMBER OF SEGMENTS
PART NUMBER
PRICE
Manual
3
44097
$653.00
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Pneumatic
3
44371
$1,650.00
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Step: 1
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