Gem Instrument Company

Gem Instrument has been a leading manufacturer of precision instruments for over 50 years. We are manufacturers of swivel clamps, dial indicators and magnetic bases as well as custom products. Our state-of-the-art computerized numerical controlled machines ensure quality products. We provide products to manufacturing, assembly and service industries.

Gem Adjustable Swivel Clamps

Swivels designed for your exact applications

• Anti-vibration lock provides positive, rigid holding power
• Any combination of 17 standard size holding diameters:
• Heavy Duty: from 3/8" x 3/8" to 1" x 1" diameter
• Medium Duty: from 5/32" x 1/4" to 1/2" x 3/8" diameter
• Available in: stainless steel for sanitary and corrosion-resistant applications
• Special sizes available | Available with flanged hex nut for greater torque

Specials

• All Clamps available with color coding
• Stainless steel or other materials as required
• Metric and special sizes available on request
• Positive Locks

• Heavy Duty SH-9 to SH-17
• Dual Handle SHD-9 to SHD-17
• Swivel (S) S1 to S8
• T-Handle ST-1 to ST-8
• Split Style SHSS-9 to SHSS-17
• Mini MS-01 to MS-04
• Dove Tail DTS-001 to DTS-003
• Positive Lock SHPL-9 to SHPL-17
• Custom Clamps Custom Lengths, Styles
• Magnetic Bases Model 500FA
• Magnetic Bases Model G-5000
• Magnetic Bases Model 555FA
• Magnetic Bases Model G-2500
• Magnetic Bases Model G-5000B
• Dial Indicator Model 222
• Dial Indicator Model 225
• Dial Indicator Model 334-30
• Dial Indicator Model 335-30
• Accessories
• Caliper Model 750
• Test Indicator Model 299