Keyless Drill Chuck SMT-717
Full Metal Casing, Diamond-Knurled Grip Sleeve & Precision 3-Jaw Clamping
Engineered for maximum durability and high-torque tool-free operation, the SMT-717 Keyless Drill Chuck features a heavy-duty, all-metal body designed for demanding job sites. Equipped with a diamond-knurled gripping sleeve for non-slip hand control and hardened alloy steel 3-jaw internal assembly, it allows rapid bit changes while delivering industrial-grade holding force on high-power cordless and corded drills.
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Heavy-Duty All-Metal Casing: All-steel outer construction resists high impact, abrasion, and harsh job-site conditions.
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Diamond-Knurled Tactile Sleeve: Etched cross-hatch texture provides superior grip for maximum hand torque during bit installation and removal.
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Keyless Fast-Change Mechanism: Eliminates the need for chuck keys, streamlining workflow during frequent bit swaps.
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Hardened Steel 3-Jaw Assembly: Heat-treated internal jaws clamp round and hex shanks firmly to prevent spinning under heavy loads.
✔ Industrial & Heavy-Duty Power Tool Essential: Ideal for metalworkers, general contractors, machinery maintenance technicians, and bulk B2B supply.
Maximize durability and keyless convenience with the SMT-717 Heavy-Duty All-Metal Keyless Drill Chuck. Built for professional tradesmen, metal fabricators, and industrial maintenance crews, this premium drill chuck combines the strength of an all-metal outer housing with rapid tool-free bit changing capabilities.
Unlike standard plastic-sleeved chucks, the SMT-717 features a solid metal sleeve with machine-etched diamond knurling. This aggressive texture ensures maximum hand grip—even when operating with greasy hands or work gloves—allowing users to apply immense clamping pressure manually. Inside, hardened alloy steel jaws maintain superior concentricity and clamping force, preventing drill bits from slipping during tough metal and masonry drilling.
Key Features & Benefits
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Heavy-Duty All-Metal Construction: Built with an impact-resistant metal jacket that far outperforms composite plastic chucks in rugged workplace environments.
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Diamond-Knurled Non-Slip Sleeve: Precision cross-hatched surface offers ultimate hand leverage for fast, secure bit tightening without a key.
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Heat-Treated Alloy Steel Jaws: Hardened clamping jaws grip high-speed steel (HSS) and masonry bit shanks tightly, resisting wear and burring.
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 High Concentricity & Minimal Runout: Precision internal threading and jaw alignment ensure smooth, vibration-free drilling and accurate hole sizing.
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Universal Threaded Mounting: Fits standard threaded spindle mounts (e.g., 1/2″-20 UNF or 3/8″-24 UNF) for quick retrofitting on major power drill brands.
Technical Specifications
| Parameter | Specification Details |
| Model | SMT-717 |
| Product Type | Heavy-Duty All-Metal Keyless Drill Chuck |
| Operation Type | Tool-Free Manual Tightening (Keyless) |
| Jaw Configuration | 3-Jaw Self-Centering |
| Clamping Capacity Range | Standard 2.0mm – 13mm (1/16″ – 1/2″) / 0.8mm – 10mm (1/32″ – 3/8″) |
| Mounting Thread | 1/2″-20 UNF / 3/8″-24 UNF |
| Outer Sleeve Material | High-Grade Steel / Alloy with Dark Corrosion-Resistant Finish |
| Grip Texture | Machine-Etched Diamond Knurling |
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