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Mounting Lug Hole Diameter
Rigid-Arm Magnetic-Base Variance Indicator Holders
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With Magnetic-Release Switch | With Magnetic-Release Switch and Fine-Adjustment Arm | With Magnetic-Release Switch and 2 Fine-Adjustment Arms |
Base | Upright Post | Arm | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
No. of Arms | For Mounting Lug Hole Dia. | For Mounting Stem Dia. | Type | Lg. | Wd. | Ht. | Thread Size | Material | Magnetic Pull, lbf | Dia. | Ht. | Material | Lg. | Dia. | Type | Each | |||
Stem Mount | |||||||||||||||||||
Magnetic-Release Switch | |||||||||||||||||||
| 1 | — | 3/8" | V-Grooved | 2.362" | 1.97" | 2.165" | M8 x 1.25 mm | Cast Iron | 176 | 1/2" | 6 7/8" | Steel | 6 1/2" | 0.393" | Rigid | 2310A101 | 000000 | ||
Fine-Adjustment Arm, Magnetic-Release Switch | |||||||||||||||||||
| 1 | — | 3/8" | V-Grooved | 2.362" | 1.97" | 2.165" | M8 x 1.25 mm | Cast Iron | 176 | 1/2" | 6 7/8" | Steel | 5 7/8" | 0.393" | Rigid | 2310A102 | 00000 | ||
Lug and Stem Mount | |||||||||||||||||||
Magnetic-Release Switch | |||||||||||||||||||
| 1 | 1/4" | 5/32" to 1/4" | V-Grooved | 2.559" | 1.97" | 2.165" | M8 x 1.25 mm | Cast Iron | 176 | 7/16" | 6 7/8" | Steel | 6 1/2" | 0.375" | Rigid | 2310A1 | 00000 | ||
Fine-Adjustment Arm, Magnetic-Release Switch | |||||||||||||||||||
| 1 | 1/4" | 5/32" to 1/4" | V-Grooved | 2.559" | 1.97" | 2.165" | M8 x 1.25 mm | Cast Iron | 176 | 7/16" | 6 7/8" | Steel | 6 1/2" | 0.375" | Rigid | 2310A15 | 00000 | ||
| 1 | 1/4" | 5/32" to 1/4" | V-Grooved | 2.874" | 1.97" | 2.165" | M10 x 1.5 mm | Cast Iron | 220 | 13/16" | 14" | Steel | 8 11/16" | 0.472" | Rigid | 2310A103 | 000000 | ||
| 1 | 1/4" | 1/4" to 5/16" | V-Grooved | 2.953" | 1.97" | 2.165" | M8 x 1.25 mm | Cast Iron | 220 | 5/8" | 8 7/8" | Steel | 6 1/2" | 0.563" | Rigid | 2310A16 | 00000 | ||
| 2 | 1/4" | 3/4" | Flat | 4.687" | 2" | 2.375" | M8 x 1.25 mm | Cast Iron | 180 | 3/4" | 12" | Steel | 15" | 0.5" | Rigid | 2310A104 | 000000 | ||
Economy Rigid-Arm Weighted-Base Variance Indicator Holders
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With Standard Arm | With Fine-Adjustment Arm |
Base | Upright Post | Arm | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Mounting Lug Hole Dia. | For Mounting Stem Dia. | Surface Accuracy | Throat Dp. | Type | Lg. | Wd. | Ht. | Thread Size | Material | Dia. | Ht. | Material | Lg. | Type | Each | |||
Stem Mount | ||||||||||||||||||
| — | 3/8" | ±0.00025" | 2 3/8" | Flat | 6" | 6" | 2" | 3/8"-16 | Granite | 1 1/4" | 8" | Stainless Steel | 4 1/8" | Rigid | 86285A43 | 0000000 | ||
| — | 3/8" | ±0.00025" | 4 25/32" | Flat | 12" | 18" | 4" | 3/8"-16 | Granite | 1 1/4" | 12" | Stainless Steel | 6 9/16" | Rigid | 86285A56 | 000000 | ||
| — | 3/8" | ±0.00025" | 5 5/8" | Flat | 8" | 12" | 2" | 3/8"-16 | Granite | 1 1/4" | 12" | Stainless Steel | 7 3/8" | Rigid | 86285A55 | 000000 | ||
Lug Mount | ||||||||||||||||||
Variance Indicator Holders | ||||||||||||||||||
| 1/4" | — | ±0.00025" | 2 3/8" | Flat | 6" | 6" | 2" | 3/8"-16 | Granite | 1 1/4" | 8" | Steel | 4 1/8" | Rigid | 86285A54 | 000000 | ||
Fine-Adjustment Arm | ||||||||||||||||||
| 1/4" | — | ±0.00005" | 4 3/4" | Flat | 12" | 9" | 2" | M12 x 1.25 mm | Granite | 1 1/4" | 12" | Steel | 7 1/4" | Rigid | 86285A41 | 000000 | ||
| 1/4" | — | ±0.00005" | 4 3/4" | Flat | 12" | 18" | 3" | M12 x 1.25 mm | Granite | 1 1/4" | 12" | Steel | 7 1/4" | Rigid | 86285A42 | 000000 | ||
| 1/4" | — | ±0.0005" | 2 3/8" | Flat | 6" | 6" | 2" | M10 x 1.5 mm | Granite | 1" | 8" | Steel | 1 7/8" | Rigid | 86285A51 | 000000 | ||
Jointed-Arm Magnetic-Base Variance Indicator Holders
Variance Indicator Holders | Replacement Arms | Replacement Clamps | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Base | Arm | ||||||||||||||||||
For Mounting Stem Dia. | Type | Lg. | Wd. | Ht. | Thread Size | Material | Magnetic Pull, lbf | Lg. | Dia. | Type | Includes | Each | Each | Each | |||||
Dovetail and Stem Mount | |||||||||||||||||||
Fine-Adjustment Base, Fine-Adjustment Clamp, Magnetic-Release Switch | |||||||||||||||||||
| 8 mm, 6 mm, 3/8" | V-Grooved | 1 1/2" | 1 1/4" | 1 3/8" | M5 x 0.8 mm | Cast Iron | 70 | 4 1/4" | 3/8" | Jointed | Swivel Clamp | 85195A61 | 0000000 | 85195A64 | 000000 | 85195A67 | 000000 | ||
| 8 mm, 6 mm, 3/8" | V-Grooved | 2 3/8" | 1 15/16" | 2 5/32" | M8 x 1.25 mm | Cast Iron | 176 | 11" | 1/2" | Jointed | Swivel Clamp | 85195A11 | 000000 | 85195A65 | 000000 | 85195A67 | 00000 | ||
Fine-Adjustment Clamp, Magnetic-Release Switch | |||||||||||||||||||
| 8 mm, 6 mm, 3/8" | V-Grooved | 4 3/4" | 1 15/16" | 2 5/32" | M10 x 1.25 mm | Cast Iron | 290 | 20" | 3/4" | Jointed | Swivel Clamp | 85195A28 | 000000 | 85195A66 | 000000 | 85195A62 | 00000 | ||
Economy Jointed-Arm Magnetic-Base Variance Indicator Holders
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Flat Base | V-Grooved Base |
Base | Arm | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Mounting Stem Dia. | Type | Lg. | Wd. | Ht. | Dia | Thread Size | Material | Magnetic Pull, lbf | Lg. | Dia. | Type | Each | |||
Stem Mount | |||||||||||||||
Fine-Adjustment Arm, Fine-Adjustment Base | |||||||||||||||
| 1/8" to 1/4" | Flat | — | — | 1 1/8" | 1 3/8" | M6 x 1 mm | Steel | 33 | 3 3/8" | 0.236" | Jointed | 2214A11 | 000000 | ||
Dovetail and Stem Mount | |||||||||||||||
Fine-Adjustment Clamp, Magnetic-Release Switch | |||||||||||||||
| 3/8" | V-Grooved | 2 1/2" | 2" | 2 3/16" | — | M8 x 1.25 mm | Cast Iron | 132 | 13 1/2" | 0.464" | Jointed | 2214A5 | 00000 | ||
Economy Rigid-Arm Magnetic-Base Variance Indicator Holders
Base | Upright Post | Arm | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Mounting Lug Hole Dia. | For Mounting Stem Dia. | Type | Lg. | Wd. | Ht. | Thread Size | Material | Magnetic Pull, lbf | Dia. | Ht. | Material | Lg. | Dia. | Type | Each | |||
Lug and Stem Mount | ||||||||||||||||||
Fine-Adjustment Arm, Magnetic-Release Switch | ||||||||||||||||||
| 1/4" | 3/8" | V-Grooved | 2 5/8" | 2" | 2 15/16" | M8 x 1.25 mm | Cast Iron | 132 | 7/16" | 6.9" | Steel | 5 13/16" | 0.464" | Rigid | 1958A31 | 000000 | ||
Starrett Rigid-Arm Magnetic-Base Variance Indicator Holders
Base | Upright Post | Arm | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Mounting Lug Hole Dia. | For Mounting Stem Dia. | Type | Lg. | Wd. | Ht. | Thread Size | Material | Magnetic Pull, lbf | Dia. | Ht. | Lg. | Dia. | Type | Mfr. Model No. | Each | |||
Lug and Stem Mount | ||||||||||||||||||
Magnetic-Release Switch | ||||||||||||||||||
| 1/4" | 1/4" | Flat | 1 57/64" | 1 5/8" | 1 29/32" | 1/4"-20 | Steel | 75 | 3/8" | 7 5/16" | 6" | 0.25" | Rigid | 657AA | 20725A67 | 0000000 | ||
Flexible-Arm Magnetic-Base Variance Indicator Holders
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With V-Grooved Base | With V-Grooved Base and Fine-Adjustment Clamp | With Fine-Adjustment Flat Base |
Variance Indicator Holders | Replacement Arms | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Base | Arm | |||||||||||||||
For Mounting Stem Dia. | Type | Lg. | Wd. | Ht. | Thread Size | Material | Magnetic Pull, lbf | Lg. | Dia. | Type | Each | Each | ||||
Stem Mount | ||||||||||||||||
Magnetic-Release Switch | ||||||||||||||||
| 5/32" to 1/2" | V-Grooved | 2 1/2" | 2" | 2 1/4" | M8 x 1.25 mm | Steel | 180 | 12 1/2" | 0.63" | Flexible | 8667A31 | 000000 | 8667A32 | 000000 | ||
Fine-Adjustment Base, Magnetic-Release Switch | ||||||||||||||||
| 1/8" to 1/2" | Flat | 2" | 1 5/8" | 2" | — | Steel | 65 | 14" | 0.625" | Flexible | 20755A65 | 000000 | 20755A74 | 000000 | ||
Dovetail and Stem Mount | ||||||||||||||||
Magnetic-Release Switch | ||||||||||||||||
| 3/8" | V-Grooved | 2 1/2" | 2" | 2 1/8" | M8 x 1.25 mm | Steel | 125 | 12" | 0.625" | Flexible | 20755A17 | 00000 | 20755A18 | 00000 | ||
Fine-Adjustment Clamp, Magnetic-Release Switch | ||||||||||||||||
| 3/8" | V-Grooved | 2" | 2 1/2" | 2 5/8" | 5/16"-18 | Steel | 90 | 15 1/4" | 0.625" | Flexible | 20755A23 | 000000 | 20755A22 | 000000 | ||
Workpiece-Centering Variance Indicator Holders
Arm | Shank | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
For Mounting Stem Dia. | Lg. | Dia. | Type | Lg. | Dia. | Material | Each | |||
Dovetail and Stem Mount | ||||||||||
Fine-Adjustment Clamp | ||||||||||
| 8 mm, 6 mm, 3/8" | 7" | 3/8" | Jointed | 1 9/16" | 5/16" | Steel | 2371N11 | 0000000 | ||
Precision Weighted-Base Variance Indicator Holders
Base | Upright Post | Arm | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Mounting Lug Hole Dia. | For Mounting Stem Dia. | Surface Accuracy | Throat Dp. | Lg. | Wd. | Ht. | Thread Size | Material | Dia. | Ht. | Material | Lg. | Type | Features | Each | |||
Stem Mount | ||||||||||||||||||
| — | 3/8" | ±0.00005" | 1 3/4" | 6" | 6" | 2" | 1/2"-13 | Granite | 1 1/4" | 8" | Steel | 4 1/8" | Rigid | — | 8628A16 | 0000000 | ||
| — | 3/8" | ±0.0001" | 5" | 8" | 12" | 2" | 1/2"-13 | Granite | 1 1/4" | 12" | Steel | 7 5/16" | Jointed | Fine-Adjustment Arm | 8628A12 | 000000 | ||
| — | 3/8" | ±0.0001" | 5" | 12" | 18" | 4" | 1/2"-13 | Granite | 1 1/4" | 12" | Steel | 7 5/16" | Jointed | Fine-Adjustment Arm | 8628A14 | 000000 | ||
Lug Mount | ||||||||||||||||||
| 1/4" | — | ±0.00005" | 1 3/4" | 6" | 6" | 2" | 1/2"-13 | Granite | 1 1/4" | 8" | Steel | 4 1/8" | Rigid | — | 8628A15 | 000000 | ||
| 1/4" | — | ±0.0001" | 5" | 8" | 12" | 2" | 1/2"-13 | Granite | 1 1/4" | 12" | Steel | 7 5/16" | Jointed | Fine-Adjustment Arm | 8628A11 | 000000 | ||
| 1/4" | — | ±0.0001" | 5" | 12" | 18" | 4" | 1/2"-13 | Granite | 1 1/4" | 12" | Steel | 7 5/16" | Jointed | Fine-Adjustment Arm | 8628A13 | 000000 | ||
Rigid-Arm Magnetic-Base Variance Indicator Holders for Uneven Surfaces
Base | Upright Post | Arm | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Mounting Lug Hole Dia. | For Mounting Stem Dia. | Type | Lg. | Wd. | Ht. | Thread Size | Material | Magnetic Pull, lbf | Dia. | Ht. | Material | Lg. | Dia. | Type | Material | Each | |||
Lug and Stem Mount | |||||||||||||||||||
Fine-Adjustment Arm, Magnetic-Release Switch | |||||||||||||||||||
| 1/4" | 5/32" to 3/8" | Adjustable | 1 15/16" | 1 5/8" | 2 7/8" | M8 x 1.25 mm | Cast Aluminum | 120 | 15/32" | 7 1/16" | Steel | 3 1/2" | 0.469" | Rigid | Steel | 1951A84 | 0000000 | ||
Weighted-Base Variance Indicator Holders
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With Serrated Anvil | With Serrated and Smooth Anvils |
Anvils | Base | Upright Post | Arm | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Mounting Stem Dia. | No. Of | Face Dia. | Face Texture | Material | Throat Dp. | Type | Lg. | Wd. | Ht. | Thread Size | Material | Dia. | Ht. | Material | Lg. | Type | Each | |||
Stem Mount | ||||||||||||||||||||
Fine-Adjustment Arm | ||||||||||||||||||||
| 8 mm, 3/8" | 1 | 2" | Serrated | Steel | 2 1/2" | V-Grooved | 5 3/4" | 3 1/2" | 1 1/2" | M10 x 1.5 mm | Cast Iron | 1" | 8" | Steel | 3" | Rigid | 7386A12 | 0000000 | ||
| 8 mm, 3/8" | 2 | 2 3/8" | Serrated, Smooth | Steel | 2 3/4" | V-Grooved | 5 3/4" | 3 1/2" | 1 1/2" | M10 x 1.5 mm | Cast Iron | 1" | 14" | Steel | 3" | Rigid | 7386A14 | 000000 | ||
Lever Variance Indicator Holders
Stems | |||||||
|---|---|---|---|---|---|---|---|
Overall Lg. | Number of | Dia. | Lg. | Each | |||
Starrett Last Word Ball-and-Socket Swivel | |||||||
| 2" | 1 | 0.188" | 1" | 1987A24 | 000000 | ||
Clamp-On Variance Indicator Holders
Flexible-Arm Clamp-On Variance Indicator Holders
Jointed-Arm Vacuum-Base Variance Indicator Holders
Base | Arm | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Mounting Stem Dia. | Type | Ht. | Dia | Thread Size | Material | Lg. | Dia. | Type | Each | |||
Dovetail and Stem Mount | ||||||||||||
Fine-Adjustment Clamp | ||||||||||||
| 8 mm, 6 mm, 3/8" | Flat | 13/16" | 3 7/16" | M8 x 1.25 mm | Cast Aluminum | 11 1/8" | 0.705" | Jointed | 2433N11 | 0000000 | ||
Low-Profile Magnetic-Base Variance Indicator Holders with Multiple Mounting Locations
For Stem Dia. Mounting Hole | Base | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Unthreaded Round | Unthreaded V-Shape | Type | Lg. | Wd. | Ht. | Material | Magnetic Pull, lbf | Includes | Each | |||
Stem Mount | ||||||||||||
| 3/8" | 1/8" to 5/16" | Flat | 4 3/8" | 1" | 1 1/16" | Zinc Alloy | 45 | 1/4"-20 Thumb Screw, 10-32 Thumb Screw | 23105A65 | 000000 | ||
Clamp-On Variance Indicator Holders for Bridgeport J Heads
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For Mounting Stem Dia. | Clamp Type | Clamping Distance Range | Overall Reach | Rod Lg. | Material | Each | |||
|---|---|---|---|---|---|---|---|---|---|
Dovetail and Stem Mount | |||||||||
Fine-Adjustment Rod | |||||||||
| 5/32" | C | 1 5/8" to 1 7/8" | 7 7/16" | 4" | Steel | 20945A65 | 0000000 | ||
Flexible-Arm Vacuum-Base Variance Indicator Holders
Base | Arm | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Mounting Stem Dia. | Type | Ht. | Dia | Thread Size | Material | Lg. | Dia. | Type | Each | |||
Stem Mount | ||||||||||||
| 1/8" to 1/2" | Flat | 1.063" | 3.465" | M8 x 1.25 mm | Aluminum | 13" | 0.625" | Flexible | 2349N11 | 0000000 | ||
Economy Jointed-Arm Weighted-Base Variance Indicator Holders
Base | Arm | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Mounting Stem Dia. | Type | Lg. | Wd. | Ht. | Thread Size | Material | Lg. | Dia. | Type | Granite Base Flatness Tolerance | Each | |||
Dovetail and Stem Mount | ||||||||||||||
Fine-Adjustment Arm, Fine-Adjustment Clamp | ||||||||||||||
| 8 mm, 3/8" | Flat | 12" | 9" | 2" | 5/16"-18 | Granite | 12 1/2" | 0.495" | Jointed | -0.00015" to 0.00015" | 5545N11 | 0000000 | ||
| 8 mm, 3/8" | Flat | 18" | 12" | 3" | 5/16"-18 | Granite | 14" | 0.495" | Jointed | -0.00015" to 0.00015" | 5545N12 | 000000 | ||
Flexible-Arm Magnetic-Base Variance Indicator Holders for Uneven Surfaces
Base | Arm | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Mounting Stem Dia. | Type | Lg. | Wd. | Ht. | Thread Size | Material | Magnetic Pull, lbf | Lg. | Dia. | Type | Material | Each | |||
Stem Mount | |||||||||||||||
Magnetic-Release Switch | |||||||||||||||
| 5/64" to 1/2" | Adjustable | 1 15/16" | 1 5/8" | 2 7/8" | M8 x 1.25 mm | Cast Aluminum | 120 | 12 1/2" | 0.47" | Flexible | Steel | 1951A85 | 0000000 | ||
Low-Profile Magnetic-Base Variance Indicator Holders
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Shown with Indicator Installed (Not Included) |
Base | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
For Mounting Lug Hole Dia. | Type | Lg. | Wd. | Ht. | Thread Size | Material | Magnetic Pull, lbf | Each | |||
Lug Mount | |||||||||||
Magnetic-Release Switch | |||||||||||
| 1/4" | V-Grooved | 3 1/2" | 1 1/8" | 1" | 8-32 | Steel | 50 | 2098A1 | 000000 | ||
Economy Flexible-Arm Weighted-Base Variance Indicator Holders
Base | Upright Post | Arm | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Mounting Stem Dia. | Type | Lg. | Wd. | Ht. | Dia | Thread Size | Material | Dia. | Ht. | Lg. | Dia. | Type | Each | |||
Stem Mount | ||||||||||||||||
| 1/8" to 1/2" | Flat | — | — | 15/16" | 6" | 5/16"-18 | Cast Iron | — | — | 13" | 0.625" | Flexible | 2626N11 | 0000000 | ||
Dovetail and Stem Mount | ||||||||||||||||
Fine-Adjustment Clamp | ||||||||||||||||
| 5/8" | Flat | 9" | 12" | 2" | — | 5/16"-24 | Granite | 5/8" | 12" | 12" | 0.625" | Flexible | 2626N12 | 000000 | ||
| 5/8" | Flat | 12" | 18" | 3" | — | 5/16"-24 | Granite | 5/8" | 12" | 15" | 0.625" | Flexible | 2626N13 | 000000 | ||




























































