Slotted Knob Screw|Enhanced Grip × Ergonomic Design | Maximize Precision with Top-Quality Hand Screws for Industrial Use

Slotted thumb screw is available in UJEN’s unique macaron color | High-quality hand screws for industrial machinery | UJEN

Slotted thumb screw is available in UJEN’s unique macaron color

Slotted Thumb Knob Screw

Slotted Knob Screw|Enhanced Grip × Ergonomic Design

Slotted Thumb Screw are the ideal solution when extra torque is needed during fastening or removal. Designed with a convenient coin-slot at the top of the knob, users can insert a coin or similar flat object to easily increase rotational force—making installation tighter and removal smoother, all without additional tools.


Also referred to as Torque-Boosting Thumb Screws, this product line enhances grip performance and user convenience, making it suitable for applications that require secure manual fastening and frequent adjustments. Perfect for AV mounts, fitness equipment, medical carts, industrial panels, and modular hardware systems.

Key Features
  • Coin-Slot Assist: Designed to increase torque by using a coin or flat object for added leverage.
  • High-Torque Capability: Provides stronger locking and easy unfastening for reliable performance.
  • Ergonomic Grip: Comfort-focused design minimizes user fatigue during repetitive use.
  • Macaron Color Options: Available in UJEN’s signature bright green, magenta, and other macaron-inspired colors for a unique look and brand identity.
  • Customizable Options: Sizes, materials, colors, and even knob structure can be tailored to your needs. OEM/ODM welcome.
Typical Applications
  • Monitor or TV bracket installation
  • Adjustable seats and handles on fitness machines
  • Fastening for control panels and industrial enclosures
  • Assembly of medical or rehabilitation devices
  • Temporary structures for outdoor events or trade shows

Explore our specifications below to select the best fit for your product. For large-volume orders or custom designs, please contact UJEN—we're ready to support your next project with fast lead times and precision quality.

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Slotted Thumb Knob Screw

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Result 37 - 48 of 306
Wing Plastic Knob Stainless Steel Bolt, M5 x 24mm, Increasable Torque, D16 - Straight knob M5x24mm Torque-increase inox steel Diameter16
Wing Plastic Knob Stainless Steel Bolt, M5 x 24mm, Increasable Torque, D16
K360-16STS0524

Colorful grip knob can be sold to countries all over the world. ROHS & REACH compliant, made...

Details Add to List
Wing Plastic Knob Stainless Steel Bolt, M5 x 29mm, Increasable Torque, D16 - Straight knob M5x29mm Torque-increase inox steel Diameter16
Wing Plastic Knob Stainless Steel Bolt, M5 x 29mm, Increasable Torque, D16
K360-16STS0529

Colorful grip knob can be sold to countries all over the world. ROHS & REACH compliant, made...

Details Add to List
Wing Plastic Knob Stainless Steel Bolt, M5 x 34mm, Increasable Torque, D16 - Straight knob M5x34mm Torque-increase inox steel Diameter16
Wing Plastic Knob Stainless Steel Bolt, M5 x 34mm, Increasable Torque, D16
K360-16STS0534

Colorful grip knob can be sold to countries all over the world. ROHS & REACH compliant, made...

Details Add to List
Wing Plastic Knob Stainless Steel Bolt, M5 x 39mm, Increasable Torque, D16 - Straight knob M5x39mm Torque-increase inox steel Diameter16
Wing Plastic Knob Stainless Steel Bolt, M5 x 39mm, Increasable Torque, D16
K360-16STS0539

Colorful grip knob can be sold to countries all over the world. ROHS & REACH compliant, made...

Details Add to List
Wing Plastic Knob Stainless Steel Bolt, M5 x 44mm, Increasable Torque, D16 - Straight knob M5x44mm Torque-increase inox steel Diameter16
Wing Plastic Knob Stainless Steel Bolt, M5 x 44mm, Increasable Torque, D16
K360-16STS0544

Colorful grip knob can be sold to countries all over the world. The metal parts and the main...

Details Add to List
Wing Plastic Knob Stainless Steel Bolt, M5 x 49mm, Increasable Torque, D16 - Straight knob M5x49mm Torque-increase inox steel Diameter16
Wing Plastic Knob Stainless Steel Bolt, M5 x 49mm, Increasable Torque, D16
K360-16STS0549

Colorful grip knob can be sold to countries all over the world. The metal parts and the main...

Details Add to List
Wing Thumb Knob, M4 x 10mm, Increasable Torque, Chamfered End, D20 - Straight knob M4x10mm Torque-increase chamfered screw Diameter20
Wing Thumb Knob, M4 x 10mm, Increasable Torque, Chamfered End, D20
K360-200410

Colorful grip knob can be sold to countries all over the world. The design of guide angle at the end of the screw...

Details Add to List
Wing Thumb Knob, M4 x 15mm, Increasable Torque, Chamfered End, D20 - Straight knob M4x15mm Torque-increase chamfered screw Diameter20
Wing Thumb Knob, M4 x 15mm, Increasable Torque, Chamfered End, D20
K360-200415

Colorful grip knob can be sold to countries all over the world. The design of guide angle at the end of the screw...

Details Add to List
Wing Thumb Knob, M4 x 20mm, Increasable Torque, Chamfered End, D20 - Straight knob M4x20mm Torque-increase chamfered screw Diameter20
Wing Thumb Knob, M4 x 20mm, Increasable Torque, Chamfered End, D20
K360-200420

Colorful grip knob can be sold to countries all over the world. The design of guide angle at the end of the screw...

Details Add to List
Wing Thumb Knob, M4 x 25mm, Increasable Torque, Chamfered End, D20 - Straight knob M4x25mm Torque-increase chamfered screw Diameter20
Wing Thumb Knob, M4 x 25mm, Increasable Torque, Chamfered End, D20
K360-200425

Colorful grip knob can be sold to countries all over the world. The design of guide angle at the end of the screw...

Details Add to List
Wing Thumb Knob, M4 x 30mm, Increasable Torque, Chamfered End, D20 - Straight knob M4x30mm Torque-increase chamfered screw Diameter20
Wing Thumb Knob, M4 x 30mm, Increasable Torque, Chamfered End, D20
K360-200430

Colorful grip knob can be sold to countries all over the world. Matte touch design. No scratching,...

Details Add to List
Wing Thumb Knob, M5 x 10mm, Increasable Torque, Chamfered End, D20 - Straight knob M5x10mm Torque-increase chamfered screw Diameter20
Wing Thumb Knob, M5 x 10mm, Increasable Torque, Chamfered End, D20
K360-200510

Colorful grip knob can be sold to countries all over the world. Matte touch design. No scratching,...

Details Add to List
Result 37 - 48 of 306

Slotted Thumb Knob Screw | Enhance Your Equipment with Durable Knob Screws for Easy Adjustment"

Based in Taiwan since 1994, UJEN DEVELOPMENT CO., LTD. expertise in manufacturing high-quality Slotted Thumb Knob Screw, hand screws, knob screws, adjustable handles, grip knobs, and indexing plungers. Their commitment to customization and precision ensures each component, from hand screws to indexing plungers, meets rigorous standards. This dedication positions UJEN as a leader in supplying durable and reliable industrial components to global markets.

UJEN Development Co., Ltd. is a leading manufacturer of precision-engineered hand screws, knob screws, plastic knobs, adjustable handles, and indexing plungers for a variety of industrial needs. Our 45-year legacy, combined with ISO 9001:2015 certification, underscores our commitment to quality, innovation, and customer satisfaction. Specializing in custom solutions, we excel in professional moldmaking, enhancing equipment functionality across industries.

UJEN has been offering customers high-quality hand screws for industrial machinery since 1994, both with advanced technology and 47 years of experiences, UJEN ensures each customer's demands are met.