STANLEY Heavy-Duty Adjustable Groove Joint Pliers (Available in 10-Inch and 12-Inch Options)
STANLEY Heavy-Duty Adjustable Groove Joint Pliers (Available in 10-Inch and 12-Inch Options)
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The STANLEY Adjustable Groove Joint Pliers series offers versatile gripping power across a wide range of pipe diameters, fasteners, and structural hardware. Drop-forged from high-carbon steel with a corrosion-resistant finish, these pliers feature undercut tongue-and-groove channels that interlock securely under pressure to prevent slipping. Equipped with slip-resistant bi-material handles to provide maximum leverage and hand comfort during high-torque adjustments. Offered in 10-inch ($250\text{ mm}$) and 12-inch ($300\text{ mm}$) individual sizes to match your specific jobsite requirements.
Variant Specifications Table
| Variant Size | Model / Item Code | Maximum Jaw Capacity | Adjustment Positions | Handle Material | Packaging Type |
| 10 Inch ($250\text{ mm}$) | 84-034 / STHT84034 | ~1.5 Inch ($38\text{ mm}$) | Multi-Position Undercut | Bi-Material Non-Slip Grip | Carded Blister Pack |
| 12 Inch ($300\text{ mm}$) | 84-035 / STHT84035 | ~2.2 Inch ($55\text{ mm}$) | Multi-Position Undercut | Bi-Material Non-Slip Grip | Carded Blister Pack |
Key Features & Standards
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Brand / Line: STANLEY®
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Product Type: Groove Joint / Water Pump Pliers
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Construction: Drop-forged high-carbon steel for strength and durability
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Jaw Design: Machined teeth for positive, non-slip gripping on flat, round, and hex shapes
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Channel Mechanism: Precision tongue-and-groove joint for smooth positioning
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Applications: Plumbing repairs, pipe fittings, automotive maintenance, and general mechanical assembly work
⚠️ Safety Warning: Always wear ANSI-approved eye protection when using hand tools. Ensure jaw teeth are fully engaged in the groove before applying force. Handles are not insulated; do not use on live electrical circuits.