Description
UltraJaws Heavy-Duty Clamps
• Large grip adjustment range
• Single or dual adjust
• Available in three sizes; small, medium, and large
• Nickel-plated zinc
Our patented multi-purpose UltraJaws Heavy-Duty Clamps feature an innovative closed yoke construction that minimizes contamination and corrosion of internal components. The unique design enables secure gripping and positioning with added strength and durability.
Available in both single and dual prong adjustment, prongs open gradually to maximize grip size without binding. Both designs feature precise pressure regulation when gripping glassware surfaces to reduce the chance of breakage. UltraJaws clamps are constructed with extension rods for easy attachment to lab-frames and other apparatus. Supplied with non-slip vinyl sleeves and, for temperatures above 100°C, fiberglass covers.
The prong height of the UltraJaws Heavy-Duty Clamps make them ideal for use in holding and securing glassware with precision ground glass joints. The chart details which UltraJaws Clamps are recommended.
NOTE: An additional holder must be purchased in order to attach clamps to frames or other apparatus.
Ground Glass Joint Reference Chart
| Clamp | Joint Size |
| Small Dual Adjust | 10/30, 12/30, 14/20, 19/22, 24/40, 29/42, 34/45 |
| Medium Dual Adjust | 14/40, 19/38 |
| Large Dual Adjust | 45/50 |
3-Prong Dual Adjust Clamps
| Size | (A) Min. to Max Grip Size | (B) Prong Width | (C) Arm Length | (D) Arm Dia. | (E) Overall Length | Item Number |
| Small | 0 to 32 mm (0 to 1.26") | 6 mm (0.24") | 102 mm (4") | 8 mm (0.32") | 152 mm (5.98") | 30392253 |
| Medium | 0 to 70 mm (0 to 2.76") | 19 mm (0.75") | 127 mm (5") | 11 mm (0.43") | 222 mm (8.74") | 30392251 |
| Large | 0 to 103 mm (0 to 4.06") | 29 mm (1.14") | 127 mm (5") | 11 mm (0.43") | 260 mm (10.24") | 30392249 |
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United Scientific3-Prong Heavy Duty Extension Clamp with Stainless Steel Rod
SKU: CLHD03
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Ohaus3-Prong Dual Adjust, Stainless Steel, 0-2.72in, Swivel Clamp
SKU: 30392225
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Ohaus3-Prong Dual Adjust, Nickel Plated, 0-2.72 in, Swivel Clamp
SKU: 30392214
$69.00MULTI PURPOSE CLAMPS A LabJaws Clamp for Every Application - Choose From Over 85 Options to Hold Everything In Your Lab CLM-SWIVL3DZM Clamp Style 3-Prong Dual Adjust < -
United Scientific3-Prong Extension Clamp
SKU: ECSIL2
$26.653-Prong Extension Clamp with Boss Head, Silicone Coated Grips Max. Temp 280C, 1 each -
Ohaus2-Prong Single Adjust, Nickel Plated, 0-3 in, Swivel Clamp
SKU: 30392215
$50.00MULTI PURPOSE CLAMPS A LabJaws Clamp for Every Application - Choose From Over 85 Options to Hold Everything In Your Lab CLM-SWIVL2SZM -
United Scientific3-Prong Universal Clamp with Holder
SKU: ECBH01
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United Scientific3-Prong Extension Clamp with Steel Rod
SKU: ECLJ03
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United Scientific3-Prong Extension Clamps with Boss Head
SKU: ECPVC2
$25.353-Prong Extension Clamps with Boss Head Our deluxe line of 3-prong extension clamps are constructed of pressure die-cast zinc alloy and are chrome-plated. Prongs open to about 3", have a... -
Ace GlassLabjaws clamp, 3 prong, dual screw, 10.5cm large grip, 5in arm, Troemner 916052
SKU: 11065-16
$73.4211065-16 Labjaws clamp, 3 prong, dual screw, 10.5cm large grip, 5in arm, Troemner 916052 Labjaws 3 prong extension clamp with dual adjustment screws for applications that require a wide...
