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System of Measurement System of Measurement |
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For Mounting Stem Diameter For Mounting Stem Diameter |
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Base Type Base Type |
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Base Height Base Height |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Base Magnetic Pull Base Magnetic Pull |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Shank Diameter Shank Diameter |
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Starrett Rigid-Arm Magnetic-Base Indicator Holders
The magnetic base has a flat bottom for mounting on flat metal surfaces and a magnetic release switch for easy setups.
Fine-adjustment attachment (sold separately) can be installed between the upright post and the base to give you more precise control over positioning.
Base | Upright Post | Arm | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Mounting Lug Hole Dia. | For Mounting Stem Dia. | Lg. | Wd. | Ht. | Thread Size | Material | Magnetic Pull, lbs. | Dia. | Ht. | Lg. | Dia. | Features | Manufacturer Model Number | Each | |
Lug and Stem Mount | |||||||||||||||
| 1/4" | 1/4" | 1 57/64" | 1 5/8" | 1 29/32" | 1/4"-20 | Steel | 75 | 3/8" | 7 5/16" | 6" | 0.25" | Magnetic-Release Switch | 657AA | 00000000 | 0000000 |
| Fine Adjustment Attachment | 00000000 | Each | 000000 |
Economy Rigid-Arm Magnetic-Base Indicator Holders
The magnetic base has a V-grooved bottom for mounting on flat and curved metal surfaces and a magnetic release switch for easy setups. Use the fine-adjustment knob for precise positioning of the arm.
Base | Upright Post | Arm | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Mounting Lug Hole Dia. | For Mounting Stem Dia. | Lg. | Wd. | Ht. | Thread Size | Thread Pitch, mm | Material | Magnetic Pull, lbs. | Dia. | Ht. | Material | Lg. | Dia. | Features | Each | |
Lug and Stem Mount | ||||||||||||||||
| 1/4" | 3/8" | 2 5/8" | 2" | 2 15/16" | M8 | 1.25 | Cast Iron | 132 | 7/16" | 6.9" | Steel | 5 13/16" | 0.464" | Fine-Adjustment Arm, Magnetic-Release Switch | 0000000 | 000000 |
Rigid-Arm Magnetic-Base Indicator Holders
The magnetic base has a V-grooved bottom for mounting on flat and curved metal surfaces and a magnetic release switch for easy setups.
Holders with fine-adjustment arm give you more precise control over the arm position.
For technical drawings and 3-D models, click on a part number.
Base | Upright Post | Arm | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Mounting Lug Hole Dia. | For Mounting Stem Dia. | Lg. | Wd. | Ht. | Thread Size | Thread Pitch, mm | Material | Magnetic Pull, lbs. | Dia. | Ht. | Material | Lg. | Dia. | Features | Each | |
Lug and Stem Mount | ||||||||||||||||
| 1/4" | 5/32"-1/4" | 2.559" | 1.97" | 2.165" | M8 | 1.25 | Cast Iron | 176 | 7/16" | 6 7/8" | Steel | 6 1/2" | 0.375" | Fine-Adjustment Arm, Magnetic-Release Switch | 0000000 | 000000 |
| 1/4" | 5/32"-1/4" | 2.559" | 1.97" | 2.165" | M8 | 1.25 | Cast Iron | 176 | 7/16" | 6 7/8" | Steel | 6 1/2" | 0.375" | Magnetic-Release Switch | 000000 | 00000 |
| 1/4" | 1/4"-5/16" | 2.953" | 1.97" | 2.165" | M8 | 1.25 | Cast Iron | 220 | 5/8" | 8 7/8" | Steel | 6 1/2" | 0.563" | Fine-Adjustment Arm, Magnetic-Release Switch | 0000000 | 00000 |
Economy Jointed-Arm Magnetic-Base Indicator Holders
Position the arm by adjusting joints at the top, middle, and bottom. The magnetic base has a V-grooved bottom for mounting on curved and flat metal surfaces and a magnetic-release switch for easy setups. Use the fine adjustment knob on the clamp for precise positioning.
Base | Arm | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Mounting Stem Dia. | Lg. | Wd. | Ht. | Thread Size | Thread Pitch, mm | Material | Magnetic Pull, lbs. | Lg. | Dia. | Features | Each | |
Dovetail and Stem Mount | ||||||||||||
| 3/8" | 2 1/2" | 2" | 2 3/16" | M8 | 1.25 | Cast Iron | 132 | 13 1/2" | 0.464" | Fine-Adjustment Clamp, Magnetic-Release Switch | 000000 | 000000 |
Jointed-Arm Magnetic-Base Indicator Holders
Position the arm by adjusting joints at the top, middle, and bottom. The magnetic base has a V-grooved bottom for mounting on curved and flat metal surfaces and a magnetic-release switch for easy setups. Holders have fine-adjustment knobs for precise positioning.
Indicator Holders | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Base | Arm | Replacement Arms | Replacement Clamps | ||||||||||||||
| For Mounting Stem Dia. | Lg. | Wd. | Ht. | Thread Size | Thread Pitch, mm | Material | Magnetic Pull, lbs. | Lg. | Dia. | Features | Includes | Each | Each | Each | |||
Dovetail and Stem Mount | |||||||||||||||||
| 6mm, 8mm, 3/8" | 1 1/2" | 1 1/4" | 1 3/8" | M5 | 0.8 | Cast Iron | 70 | 4 1/4" | 3/8" | Fine-Adjustment Base, Fine-Adjustment Clamp, Magnetic-Release Switch | Swivel Clamp | 00000000 | 0000000 | 00000000 | 000000 | 00000000 | 000000 |
| 6mm, 8mm, 3/8" | 2 3/8" | 1 15/16" | 2 5/32" | M8 | 1.25 | Cast Iron | 176 | 11" | 1/2" | Fine-Adjustment Base, Fine-Adjustment Clamp, Magnetic-Release Switch | Swivel Clamp | 00000000 | 000000 | 00000000 | 00000 | 00000000 | 00000 |
| 6mm, 8mm, 3/8" | 4 3/4" | 1 15/16" | 2 5/32" | M10 | 1.25 | Cast Iron | 290 | 20" | 3/4" | Fine-Adjustment Clamp, Magnetic-Release Switch | Swivel Clamp | 00000000 | 000000 | 00000000 | 000000 | 00000000 | 00000 |
Flexible-Arm Magnetic-Base Indicator Holders
and Fine-Adjustment
Clamp
Adjust the flexible arm to nearly any position. These holders have a ball-and-socket segmented arm that locks in place with a lever. The magnetic base has a release switch for easy setups.
Holders with V-grooved base can be mounted on both curved and flat surfaces.
Holders with fine-adjustment base or clamp give you more precise control over positioning.
Indicator Holders | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Base | Arm | Replacement Arms | |||||||||||||
| For Mounting Stem Dia. | Type | Lg. | Wd. | Ht. | Thread Size | Thread Pitch, mm | Material | Magnetic Pull, lbs. | Lg. | Dia. | Features | Each | Each | ||
Dovetail and Stem Mount | |||||||||||||||
| 3/8" | V-Grooved | 2" | 2 1/2" | 2 5/8" | 5/16''-18 | __ | Steel | 90 | 15 1/4" | 0.625" | Fine-Adjustment Clamp, Magnetic-Release Switch | 00000000 | 0000000 | 00000000 | 000000 |
Stem Mount | |||||||||||||||
| 1/8"-1/2" | Flat | 2" | 1 5/8" | 2" | __ | __ | Steel | 65 | 14" | 0.625" | Fine-Adjustment Base, Magnetic-Release Switch | 00000000 | 000000 | 00000000 | 000000 |
| 5/32"-1/2" | V-Grooved | 2 1/2" | 2" | 2 1/4" | M8 | 1.25 | Steel | 180 | 12 1/2" | 0.63" | Magnetic-Release Switch | 0000000 | 00000 | 0000000 | 00000 |
Rigid-Arm Magnetic-Base Indicator Holders for Uneven Surfaces
The base is comprised of adjustable magnetic pins which allow it to conform to any shape and grip most metal surfaces. Use the fine-adjustment knob to precisely position the arm.
Base | Upright Post | Arm | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Mounting Lug Hole Dia. | For Mounting Stem Dia. | Lg. | Wd. | Ht. | Thread Size | Thread Pitch, mm | Material | Magnetic Pull, lbs. | Dia. | Ht. | Material | Lg. | Dia. | Material | Features | Each | |
Lug and Stem Mount | |||||||||||||||||
| 1/4" | 5/32"-3/8" | 1 15/16" | 1 5/8" | 2 7/8" | M8 | 1.25 | Cast Aluminum | 120 | 15/32" | 7 1/16" | Steel | 3 1/2" | 0.469" | Steel | Fine-Adjustment Arm, Magnetic-Release Switch | 0000000 | 0000000 |
Flexible-Arm Magnetic-Base Indicator Holders for Uneven Surfaces
A flexible ball-and-socket segmented arm adjusts to nearly any position and locks in place with a lever. The base is comprised of adjustable magnetic pins which allow it to conform to any shape and grip most metal surfaces. It has a magnetic-release switch for easy setups.
Base | Arm | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Mounting Stem Dia. | Lg. | Wd. | Ht. | Thread Size | Thread Pitch, mm | Material | Magnetic Pull, lbs. | Lg. | Dia. | Material | Features | Each | |
Stem Mount | |||||||||||||
| 5/64"-1/2" | 1 15/16" | 1 5/8" | 2 7/8" | M8 | 1.25 | Cast Aluminum | 120 | 12 1/2" | 0.47" | Steel | Magnetic-Release Switch | 0000000 | 0000000 |
Low-Profile Magnetic-Base Indicator Holders with Multiple Mounting Locations
For more versatility than other low-profile holders, this holder has six locations for mounting indicators and accessories, including two mounting holes and four places to mount an indicator lug back with the included thumb screws. Use it in areas with limited space. The magnetic base has a V-grooved bottom for mounting on curved and flat metal surfaces.
For technical drawings and 3-D models, click on a part number.
For Stem Dia. Mounting Hole | Base | |||||||
|---|---|---|---|---|---|---|---|---|
| Unthreaded Round | Unthreaded V-Shape | Type | Ht. | Material | Magnetic Pull, lbs. | Mount Type | Each | |
| 3/8" | 1/8"-5/16" | Flat | 1 1/16" | Zinc | 45 | Stem | 00000000 | 000000 |
Jointed-Arm Vacuum-Base Indicator Holders
Position the arm by adjusting joints at the top, middle, and bottom. A vacuum base provides stability on granite plates and other nonmagnetic surfaces. Use the fine-adjustment knob on the clamp for precise positioning
For technical drawings and 3-D models, click on a part number.
Base | Arm | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Mounting Stem Dia. | Dia. | Ht. | Thread Size | Thread Pitch, mm | Material | Lg. | Dia. | Features | Each | |
Dovetail and Stem Mount | ||||||||||
| 6mm, 8mm, 3/8" | 3 7/16" | 13/16" | M8 | 1.25 | Cast Aluminum | 11 1/8" | 0.705" | Fine-Adjustment Clamp | 0000000 | 0000000 |
Flexible-Arm Vacuum-Base Indicator Holders
Position the flexible ball-and-socket segmented arm around obstructions and lock in place with a lever. The vacuum base provides stability on granite plates and other nonmagnetic surfaces.
Base | Arm | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Mounting Stem Dia. | Dia. | Ht. | Thread Size | Thread Pitch, mm | Material | Lg. | Dia. | Each | |
Stem Mount | |||||||||
| 1/8"-1/2" | 3.465" | 1.063" | M8 | 1.25 | Aluminum | 13" | 0.625" | 0000000 | 0000000 |
Workpiece-Centering Indicator Holders
Mount this holder into your machine spindle and use for centering workpieces. The clamp has a fine-adjustment knob for precise positioning.
For technical drawings and 3-D models, click on a part number.
Arm | Shank | |||||||
|---|---|---|---|---|---|---|---|---|
| For Mounting Stem Dia. | Lg. | Dia. | Lg. | Dia. | Material | Features | Each | |
Dovetail and Stem Mount | ||||||||
| 6mm, 8mm, 3/8" | 7 " | 3/8 " | 1 9/16" | 5/16" | Steel | Fine-Adjustment Clamp | 0000000 | 000000 |
Flexible-Arm Weighted-Base Indicator Holders
Adjust the flexible ball-and-socket segmented arm to nearly any position and lock in place with a lever. A heavy cast iron base adds stability.
Base | Arm | |||||||
|---|---|---|---|---|---|---|---|---|
| For Mounting Stem Dia. | Dia. | Ht. | Thread Size | Material | Lg. | Dia. | Each | |
Stem Mount | ||||||||
| 1/8"-1/2" | 6" | 15/16" | 5/16''-18 | Cast Iron | 13" | 0.625" | 0000000 | 0000000 |
Clamp-On Indicator Holders
Attach the C-clamp on these holders to your milling machine head to take indicator measurements without obstructing the cutting tool. Use the fine-adjustment rod to precisely position the arm.
Overall reach is the distance from the center of the C-clamp to the end of the arm when both are extended.
For technical drawings and 3-D models, click on a part number.
Clamp-On Indicator Holders for Bridgeport J Heads
Attach the C-clamp on this holder to your Bridgeport J head to take indicator measurements without obstructing the cutting tool. Use the fine-adjustment rod to precisely position the arm.
Overall reach is the distance from the center of the C-clamp to the end of the arm when both are extended.
For technical drawings and 3-D models, click on a part number.
Flexible-Arm Clamp-On Indicator Holders
Vise-grip locking pliers clamp this holder to most thin, flat surfaces, and the flexible arm lets you position your indicator around obstructions. Lock the arm in place with a lever.