HARFINGTON 10pcs Star Knobs M4 Female Thread 25mm Head Plastic Through Hole Brass Screw-in Clamping Handles Threaded Hand Knobs, White - color: White, size: M4 x 25mm
HARFINGTON 10pcs Star Knobs M4 Female Thread 25mm Head Plastic Through Hole Brass Screw-in Clamping Handles Threaded Hand Knobs, White - color: White, size: M4 x 25mm
About this item
- Size - Standard thread size: M4 (0.7mm Pitch); head diameter: 25mm / 0.98"; total thickness: 11.8mm / 0.46"; stepped part size: 12.7mm x 3.4mm / 0.5" x 0.13" (D*T); knob style: 6 star, Through Hole, brass insert; color: white
- Material - Sturdy and durable plastic star knobs ensure durability and long-lasting performance. Brass metal screw-in female thread provides strength and corrosion resistance. Threaded knobs provides a smooth surface, comfortable grip and ergonomic operation
- Features - Star design adjusts and tightens easily for maximum control and flexibility without the need for additional tools. Clamping knobs feature tightly-in metal insert (won't strip), making it easy to install and secure in place. Through hole female star handles allow for easy installation and removal, versatile mounting options.
- Applications - Star knob handles are widely used in machinery, electronics, equipment, furniture and can be used on drill presses, lathes, routing jigs, fixtures, packaging and woodworking machinery, printing equipment. The threads are neat and clear, the force is even and deep, not easy to slip, and there are no burrs.
- Note - Ensure that the knob is securely and properly installed on the corresponding male threaded component or fastener. Choose the star knob size that suits your needs. Do not over-tighten as this may cause damage of the knob or threaded parts.
Overview
- Material: Brass, Plastic
- Brand: HARFINGTON
- Color: White
- Style: Star Knob
- Exterior Finish: Brass
Couldn't load pickup availability
Low stock: 10 left
View full details

Reviews
-
⭐⭐⭐⭐⭐
Michael Turner — Columbus, Ohio
MROVanta made it easier to find several maintenance supplies in one place. The product information helped me compare the available options, and everything I ordered was useful for routine work around our facility.
-
⭐⭐⭐⭐⭐
Rachel Morgan — Phoenix, Arizona
I was looking for practical supplies for our workshop and found the selection easy to browse. The categories were well organized, and I could quickly locate tools, fasteners, and other items needed for regular maintenance.
-
⭐⭐⭐⭐⭐
David Collins — Charlotte, North Carolina
The products I selected were suitable for the maintenance tasks we had planned. I appreciated being able to review the specifications before ordering, especially when comparing sizes and compatibility for different applications.
-
⭐⭐⭐⭐⭐
Amanda Brooks — Denver, Colorado
I ordered a mix of facility and equipment supplies for our work area. The shopping process was straightforward, and the selection covered several everyday maintenance needs without requiring visits to multiple stores.
New Arrivals
-
M8-1.25 x 25mm Hex Head Bolts Hexagon Screws, 304 Stainless Steel 18-8, Plain Finish, Fully Threaded, 25 PCS - size: M8 x 25mm
Regular price $16.58 USDRegular priceSale price $16.58 USD -
Stainless Steel 304 Welded Wire Mesh-15.7 inches x 10 feet 1/4 inch Hardware Cloth
Regular price $33.18 USDRegular priceSale price $33.18 USD -
Japan Sanwa MG5000 MG1000 MG500 M53 High-Voltage Digital Insulation Resistance Tester 5000V/1000V/500V/500V Display Megohmmeter Electronic Insulation Testers(MG500) - size: MG500
Regular price $418.32 USDRegular priceSale price $418.32 USD -
Non-Contact Infrared Thermometer Gun, High Accuracy -58°F to 1472°F, Adjustable Emissivity, Ir Thermometer with Backlit LCD, Over-Temp Alarm, Laser Temperature Gun for Cooking,BBQ,HVAC - color: Yellow
Regular price $24.88 USDRegular priceSale price $24.88 USD -
Japan Sanwa MG5000 MG1000 MG500 M53 High-Voltage Digital Insulation Resistance Tester 5000V/1000V/500V/500V Display Megohmmeter Electronic Insulation Testers(MG1000) - size: MG1000
Regular price $391.74 USDRegular priceSale price $391.74 USD -
PSBM Mini Stretch Film/Wrap with Plastic Handle 3" x 1000' 50 GA 18 Rolls - size: 3 Inch, style: 50 GA
Regular price $64.52 USDRegular priceSale price $64.52 USD -
Digital Infrared Thermometer Gun -58℉ to 1022℉ (-50℃ to 550℃), Adjustable Emissivity, Laser Temperature Gun for Cooking, BBQ, Oven, Engine, and Industrial Use (Not for Human Body) - color: Red
Regular price $23.24 USDRegular priceSale price $23.24 USD -
Japan Sanwa MG5000 MG1000 MG500 M53 High-Voltage Digital Insulation Resistance Tester 5000V/1000V/500V/500V Display Megohmmeter Electronic Insulation Testers(M53) - size: M53
Regular price $1,178.98 USDRegular priceSale price $1,178.98 USD -
-58°F to 2732°F Digital Infrared Thermometer Gun, 50:1 Distance Ratio Laser Temperature Gun with MAX/MIN/AVG Measure and Alarm, Heat IR Temp Gun for Cooking, Griddle, HVAC, Industrial Forging - color: Coral
Regular price $66.38 USDRegular priceSale price $66.38 USD -
Japan Sanwa MG5000 MG1000 MG500 M53 High-Voltage Digital Insulation Resistance Tester 5000V/1000V/500V/500V Display Megohmmeter Electronic Insulation Testers(MG5000) - size: MG5000
Regular price $1,415.96 USDRegular priceSale price $1,415.96 USD -
SVAAR 24-18 Gauge Flared Barrel Butt Splice Connectors Kit 100PCS 24-18 AWG Non-Insulated Butt Connectors Tinned Copper Flared Compression Butt Splices Crimp Butt Terminals+100PCS 3:1 Heat Shrinks - color: Tinned Copper
Regular price $16.43 USDRegular priceSale price $16.43 USD -
Laser Infrared Thermometer Non-Contact Digital Temperature Gun, -58℉~1112℉(-50℃~600℃) IR Thermometer for Industrial, Kitchen Cooking, Automotive, HVAC (Not for Human Body Temp) - color: Orange
Regular price $16.58 USDRegular priceSale price $16.58 USD -
SVAAR 24-18 Gauge Flared Barrel Butt Splice Connectors Kit 100PCS 24-18 AWG Non-Insulated Butt Connectors Bare Copper Flared Compression Butt Splices Crimp Butt Terminals+100PCS 3:1 Heat Shrinks - color: Bare Copper
Regular price $16.43 USDRegular priceSale price $16.43 USD -
Precise Digital Caliper, 6 Inch Stainless Steel Electronic Vernier Caliper
Regular price $33.18 USDRegular priceSale price $33.18 USD -
ALLCLEAN 75 Pcs 3/16"x3/4" Stainless Steel Blind Pro Rivets,4.8 x 20mm Pop Rivets,Stainless Steel Grip and Stainless Steel Mandrel - color: Stainless Steel, size: 3/16"x3/4"
Regular price $23.22 USDRegular priceSale price $23.22 USD -
A42 Drive V-Belt, 42" Inner Circumference - size: A42 or 4L440
Regular price $12.77 USDRegular priceSale price $12.77 USD -
DEWENWILS 300W Low Voltage Landscape Transformer with Remote - style: 300W with Remote
Regular price $132.78 USDRegular priceSale price $132.78 USD -
A41 Drive V-Belt, 41" Inner Circumference - size: A41 or 4L430
Regular price $12.60 USDRegular priceSale price $12.60 USD
Featured Collections
-
Abrasive & Finishing Products
Prepare, shape, smooth, clean, and finish working surfaces with the Abrasive &...
-
Adhesives, Sealants & Lubricants
Support assembly, repair, sealing, protection, and equipment maintenance with the Adhesives, Sealants...
-
Cutting Tools
Explore cutting tools for machining, fabrication, repair, installation, and routine maintenance across...
FAQ
How can I confirm that a product is suitable for my application?
Review the product description, dimensions, materials, ratings, connection types, and compatibility information before ordering. Industrial requirements vary, so consult the equipment manufacturer or a qualified professional if you are uncertain.
Do you provide installation or technical advice?
We can help clarify information shown on a product page, but we do not provide engineering, installation, or workplace-safety advice. Products should be selected, installed, and operated by appropriately qualified personnel where required.
Can I change or cancel my order after placing it?
Contact us as soon as possible at ruleindgalein@gmail.com. We will try to accommodate your request, but changes or cancellations cannot be guaranteed once an order has entered processing or shipment.
When will my order be shipped?
Processing and delivery estimates may vary depending on the product, destination, inventory availability, and carrier. Please review the shipping information provided at checkout and our Shipping & Delivery Policy for additional details.
How can I track my order?
When tracking becomes available, it will be sent to the email address used for your order. Tracking activity may take some time to appear after the carrier receives the shipment.
Why did my order arrive in more than one package?
Items from the same order may be fulfilled or shipped separately. As a result, packages can arrive at different times and may have separate tracking numbers. You will not be charged additional shipping solely because an order is divided into multiple shipments.
What should I do if an item arrives damaged, defective, or incorrect?
Contact us promptly at ruleindgalein@gmail.com with your order number, a description of the issue, and clear photographs of the item, packaging, shipping label, and any visible damage. Keep all packaging until we provide further instructions.
Can I return an item if it is not suitable?
Eligible items may be returned in accordance with our Return & Refund Policy. Return conditions, exclusions, time limits, and any applicable costs depend on the item and circumstances. Please contact us before sending anything back.
Do you offer bulk quantities or business purchasing?
Availability of larger quantities varies by product. Email us with the product link, desired quantity, required specifications, and delivery location, and we will let you know whether suitable options are available.
How can I contact MROVanta?
Email us at ruleindgalein@gmail.com or call +1 (936) 260-5549. Include your order number when contacting us about an existing purchase so we can assist you more efficiently.
Blog posts
View all-
How to Stop Rust Before It Starts: A Practical ...
Learn how to prevent rust on exposed metal pipes in humid industrial facilities. Discover practical corrosion-control methods, surface preparation techniques, coating considerations, and preventive maintenance practices.
How to Stop Rust Before It Starts: A Practical ...
Learn how to prevent rust on exposed metal pipes in humid industrial facilities. Discover practical corrosion-control methods, surface preparation techniques, coating considerations, and preventive maintenance practices.
-
How to Stop Rust Before It Starts: A Practical ...
Learn how to prevent rust on exposed metal pipes in humid industrial facilities with practical corrosion-control strategies. Discover how moisture, condensation, coatings, pipe supports, and routine MRO inspections work together...
How to Stop Rust Before It Starts: A Practical ...
Learn how to prevent rust on exposed metal pipes in humid industrial facilities with practical corrosion-control strategies. Discover how moisture, condensation, coatings, pipe supports, and routine MRO inspections work together...
-
Why Exposed Metal Pipes Rust Faster in Industri...
Learn why exposed metal pipes rust faster in industrial facilities and discover practical corrosion prevention strategies for humid, outdoor, and chemical-exposure environments.
Why Exposed Metal Pipes Rust Faster in Industri...
Learn why exposed metal pipes rust faster in industrial facilities and discover practical corrosion prevention strategies for humid, outdoor, and chemical-exposure environments.

















