CrowCrowCrow
CrowCrowCrow
Search products...
My Orders
Cart

Looking for an imported product?

We can arrange it. Send the name or a store link on WhatsApp — we'll check if we can source it and quote the all-in India price.

WhatsApp Us
CrowCrowCrow

Free Shipping

Eligible orders across India

Secure Packaging

Factory-sealed, damage-safe

About

  • About CrowCrowCrow
  • How It Works
  • Careers
  • Press & Media
  • Sustainability
  • Blog & Guides
  • Why Choose CrowCrowCrow

Buyer Help

  • Contact Us
  • Track Order
  • Customs & Duties
  • Size Guide
  • Payment Options
  • FAQs
  • Buyer Protection

Our Policies

  • Privacy Policy
  • Shipping Policy
  • Terms and Condition
  • Return and Refunds Policy

Programs & B2B

  • Rewards Program
  • Refer a Friend
  • Student DiscountSoon
  • Affiliate Program
  • Wholesale & B2B
  • Corporate Gifting
  • Free Tools
  • Price Match

Connect With Us

Payment Methods

Visa
Mastercard
RuPay
Amex
UPI
Google Pay
PhonePe
Paytm

Shipping Partners

BluedartDelhiveryExpressBoxIndia Post
Cookie Policy··Disclaimer·DMCA·MCP for AI·Authenticity·Money-Back·Security

© 2026 Color Papers India Private Limited

Help us give you a better experience. We use cookies to remember your cart, speed up checkout, and show you authentic US products worth importing. You stay in control — your data is handled per India's DPDP Act 2023. Cookie Policy

Thumb Screws
  1. Home
  2. Industrial & Scientific
  3. Fasteners
  4. Screws
  5. Thumb Screws
  6. uxcell M4 x…
uxcell

uxcell M4 x 15mm Male Thread Knurled Knobs, 20pcs Black Plastic Round Head Thumb Screws | Industrial Machinery Parts

4.8
(30 Ratings)
uxcell M4 x 15mm Male Thread Knurled Knobs, 20pcs Black Plastic Round Head Thumb Screws | Industrial Machinery Parts - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹1,567₹1,750

You save ₹183 (10%)

10% off the seller list price

Qty
uxcell M4 x 15mm Male Thread Knurled Knobs, 20pcs Black Plastic Round Head Thumb Screws | Industrial Machinery Parts — M4 x 15mm x 14mm
M4 x 15mm x 14mm
₹1,567
₹1,750
In Stock

Doorstep delivery by 22 Oct - 24 Oct from USA

Add on Google

Product details

SKUtyv2625
Branduxcell
Thread SizeM4 x 15mm
Thread Pitch0.7mm
Head Diameter14mm (0.55")
Total Length27mm (1.06")
MaterialCarbon Steel, Plastic
FinishZinc Plated
ColorBlack
Drive SystemThumb
Package Content20pcs
Country of OriginNot stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

Frequently bought together

uxcell M4 x 15mm Male Thread Knurled Knobs, 20pcs Black Plastic Round Head Thumb Screws | Industrial Machinery Parts

This item:

uxcell M4 x 15mm Male Thread Knurled Knobs, 20pcs Black Plastic Round Head Thumb Screws | Industrial Machinery Parts

₹1,567

uxcell M4 x 15mm Male Thread Knurled Knobs, 20pcs Black Plastic Round Head Thumb Screws | Industrial Machinery Parts

This item

uxcell M4 x 15mm Male Thread Knurled Knobs, 20pcs Black Plastic Round Head Thumb Screws | Industrial Machinery Parts

₹1,567

Total price:

₹8,189

You save ₹2,748 (25%) Extra

3 items selected

3 items

₹8,189

You save ₹2,748 (25%) Extra

Imported from USA
₹1,567₹1,750

You Save ₹183

Estimated delivery: Doorstep delivery by 22 Oct - 24 Oct from USA
Add on Google
Visa
Mastercard
Google Pay
UPI
15-Point QC Passed
😊14-Day Smile Guarantee

Fast Shipping

Secure Packaging

Free Return

Quality & authenticity

Security & Privacy

Safe payments
Secure privacy

Delivery guarantee

Tracked from USA · duties included
Delayed? Up to ₹500 credit*
Not delivered in 30 days? Full refund
Damaged? Free return

Why shop with us

Crowcrowcrow: The Only Safe Lane for US-Market Exclusives

One price. One payment. No surprises.

High risk

Buying Direct

Recommended

Crowcrowcrow

Safe Lane

vs
₹4,701+ (3× the price)
₹1,567 locked, all-in
Hard to get the original US version in India
Original US version, shipped to your door
Extra pay for Import Duties, GST, and forex fees
One price in INR, no customs charges at delivery
4–12 weeks · No tracking
14-16 days · live tracking
Grey market, no guarantee, no protection, no refund
100% authentic US, India-verified, return available
Lost in transit = ₹0 back
Full protection included

Tested and Trusted · Always Original & 100% Imported

View trust tables•Know about trust badges
100% Authentic
100% Authentic
Factory-Sealed
Factory-Sealed
All Duties Included
All Duties Included
GST Invoice Issued
GST Invoice Issued
ExpressBox Tracked
ExpressBox Tracked
Secure Payments
14-Day Smile Guarantee
14-Day Smile Guarantee

Upgrade Your Machinery with Easy-Grip Knobs

About this item

uxcell M4 x 15mm male thread knurled knobs provide secure and easy adjustments for industrial machinery. These 20-piece black knobs feature durable carbon steel studs with plastic heads, offering strength and wear resistance. Imported for Indian buyers, they ensure reliable component joining and are delivered with all duties prepaid.

The knurled texture enhances grip for effortless tightening and loosening, while the neat, burr-free threads ensure even force distribution. Zinc plating on the carbon steel stud adds durability. These knobs are suitable for lathes, drill presses, woodworking machinery, and various industrial equipment requiring frequent adjustments.

Compared to basic screws, these hand knobs offer superior control and ease of use. They are designed for secure fitting without damaging mating assemblies. Delivered via ExpressBox tracked shipping, ensuring timely arrival for your projects.

Key Features

  • Knurled Clamping Knobs: Thread Size: M4 (0.7mm Pitch); Thread Length: 15mm / 0.59"; Head Diameter: 14mm / 0.55"; Total Length: 27mm / 1.06"; 20pcs x Knurled Knobs. Safe and secure knurled thumb screws for the ultimate in adjusting and tightening control.
  • Hand Knob with Stud: The zinc plated carbon steel threaded stud on the knob ensure durability, strength, functionality and wear resistance. The tightly-in metal threaded stud can securely join components together, easy to install, suitable for various applications.
  • Features: The knurled texture on the surface provides better grip, making it easier to tighten or loosen the knob. Threads are neat and clear, the force is even and deep, not easy to slip, and there are no burrs. Durable plastic knobs provide a smooth and beautiful surface as well as a comfortable grip.
  • Applications: Knurled knobs are commonly used in applications that require frequent adjustments or tightening. Widely used in lathes, drill presses, sawing machines, packaging and woodworking machinery, printing, instrument and industrial equipment, and fixtures.
  • Tips: Always tighten the knurled knob securely to prevent any movement of the fixed assembly. Do not over-tighten the knob as this may damage or strip the threads in the mating assembly. Replace the knob if necessary.

Why choose this product

Precision Engineering for Industrial Control

These uxcell M4 knurled knobs are engineered for precise control in industrial settings. The combination of a durable carbon steel stud and a comfortable plastic grip ensures secure component fastening. Unlike basic screws, their knurled design allows for easy manual adjustment, crucial for machinery that needs frequent setup or modification. The zinc plating adds a layer of corrosion resistance, extending their lifespan in demanding environments. Imported for discerning Indian buyers, they represent a commitment to quality and functionality for your critical equipment.

Ideal for Machinery, Skip for Delicate Surfaces

These knobs are perfect for securing parts on lathes, drill presses, woodworking machinery, and general industrial equipment where frequent manual adjustments are needed. They provide a reliable grip and secure fastening. However, avoid using them on very delicate surfaces or where a flush, low-profile fit is critical, as the 14mm head diameter might be too prominent. For applications requiring extreme precision or aesthetic finishes, consider specialized hardware.

How to use

  • Identify the M4 tapped hole — Locate the M4 threaded hole on your equipment where you need to secure a component. Ensure the hole's thread pitch is 0.7mm to match the knob's M4 thread.
  • Thread the knob by hand — Insert the M4 threaded stud of the knurled knob into the tapped hole. Begin screwing it in by hand, using the knurled plastic head for grip. Continue until it is snug.
  • Tighten securely for stability — Once hand-tight, gently tighten further using the knurled head to ensure the component is securely fixed and prevent any unwanted movement. Avoid over-tightening to prevent stripping threads.

Example scenarios

Typical situations where uxcell M4 x 15mm Male Thread Knurled Knobs helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

A small workshop in Pune needs to frequently adjust jigs and fixtures on a drill press.

How this product helps

These M4 knurled knobs allow quick, tool-free adjustments, saving time and effort compared to standard screws. The 20-piece pack ensures enough knobs are available for multiple setups.

2
Scenario 2
Illustrative example
Where it helps

A manufacturer in Delhi requires secure, easily adjustable components for packaging machinery.

How this product helps

The durable carbon steel studs and comfortable plastic grip provide reliable fastening. The knurled surface ensures a secure hold, preventing accidental loosening during operation.

Specifications & installation

Specifications

Stud MaterialCarbon Steel (Zinc Plated)
Head MaterialPlastic

Installation & usage

ApplicationLathes, drill presses, sawing machines, packaging, woodworking machinery, printing, instrument and industrial equipment, fixtures.
UsageSecurely join components requiring frequent adjustments or tightening.
Thread CoverageFully Threaded
Cost per piece₹78.35 per knob

How we compare

Featureuxcell M4 xOthers
Thread SpecificationM4 x 15mm Male Thread, 0.7mm PitchM4 x 15mm Male Thread, 0.7mm Pitch (common metric standard)
Material & DurabilityZinc-plated Carbon Steel Stud + Plastic HeadVaries: often alloy steel or plastic; quality can differ significantly.
Grip & Ease of UseKnurled texture for superior hand grip, tool-free adjustmentMay have basic knurling or smooth heads; tool-free grip varies.
Quantity & Value20 pieces per pack — ₹78.35 per knobTypically sold in packs of 10 or 25; price per knob varies widely (₹15-₹40).
Corrosion ResistanceZinc plating offers moderate protectionVaries; some local options may offer better stainless steel grades.

About uxcell

uxcell specializes in providing a wide range of industrial components and hardware, including fasteners, tools, and electrical supplies, for various applications.

Compliance & Legal

No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.

FAQ, See What Others Asked

How do I choose the right size M4 knurled knob?
Select an M4 knob where the thread length (15mm) and diameter (M4) match your equipment's tapped hole. Ensure the 14mm head diameter fits your application space. The 20-piece pack offers flexibility for multiple uses.
Are these knurled knobs suitable for outdoor or humid Indian conditions?
The carbon steel stud is zinc-plated for durability and some corrosion resistance. For highly corrosive environments, consider stainless steel alternatives. These are best suited for indoor industrial machinery.
What is the difference between these knurled knobs and standard screws?
Knurled knobs offer a comfortable, tool-free grip for easy manual tightening and loosening, ideal for frequent adjustments. Standard screws typically require tools and are for more permanent fixtures, not frequent adjustments.
How to buy original uxcell M4 x 15mm Male Thread Knurled Knobs in India?
Purchase directly from CrowCrowCrow. We import authentic uxcell products from authorized US retailers and brand partners, ensuring they are factory-sealed and imported per-order. All customs duties and GST are included in the listed price, with ExpressBox tracked delivery to your Indian pincode.

Your Order Journey: From Purchase to Doorstep

You Order
Place your order
USA Warehouse dispatch
Packed & shipped
International Air Shipping
Fast transit
Consignment to India Warehouse
Customs cleared
Doorstep delivery
Delivered to you
You Order
Place your order
USA Warehouse dispatch
Packed & shipped
International Air Shipping
Fast transit

Customer Reviews

Share your experience

Bought this from CrowCrowCrow? Other buyers want to hear how it went.

No reviews from buyers in India yet. Be the first to share your experience!

Product Comparison

Attributes
Current
uxcell M4 x 15mm Male Thread Knurled Knobs, 20pcs Black Plastic Round Head Thumb Screws | Industrial Machinery Parts
uxcell M4 x 15mm Male Thread Knurled Knobs, 20pcs Black Plastic Round Head Thumb Screws | Industrial Machinery PartsBuy Now
C&D Valve CD5050 Flow-Control Valve for 1/4" Flare Access Fitting | Brass Globe Valve
C&D Valve CD5050 Flow-Control Valve for 1/4" Flare Access Fitting | Brass Globe ValveBuy Now
Quartet Clear Round Rare Earth Magnets 1/2" Diameter, 6 Pack | Strong Hold for Glass Whiteboards
Quartet Clear Round Rare Earth Magnets 1/2" Diameter, 6 Pack | Strong Hold for Glass WhiteboardsBuy Now
uxcell MR126-2RS Deep Groove Ball Bearings 6mm x 12mm x 4mm | Double Sealed Chrome Steel (10 Pcs)
uxcell MR126-2RS Deep Groove Ball Bearings 6mm x 12mm x 4mm | Double Sealed Chrome Steel (10 Pcs)Buy Now
ALKOO Sky Blue Stethoscope Carrying Case with Internal Mesh Pockets & Elastic Slots | Professional Healthcare Organizer
ALKOO Sky Blue Stethoscope Carrying Case with Internal Mesh Pockets & Elastic Slots | Professional Healthcare OrganizerBuy Now
SmartSign "Notice - This Area Is Under 24 Hour Video Surveillance" Sign | 17.8 cm x 25.4 cm (7" x 10") Aluminum | Durable & Laminated
SmartSign "Notice - This Area Is Under 24 Hour Video Surveillance" Sign | 17.8 cm x 25.4 cm (7" x 10") Aluminum | Durable & LaminatedBuy Now
HARFINGTON M2 PVC Flat Washers 2mm ID x 5mm OD x 0.3mm Thick | 300-Piece Pack for Sealing & Gasket Applications
HARFINGTON M2 PVC Flat Washers 2mm ID x 5mm OD x 0.3mm Thick | 300-Piece Pack for Sealing & Gasket ApplicationsBuy Now
Spec
Price
Consignment to India Warehouse
Customs cleared
Doorstep delivery
Delivered to you
₹1,567
₹1,750
₹3,132
₹3,806
₹3,490
₹5,381
₹1,669
₹2,670
₹2,260
₹3,860
₹1,946
₹3,112
₹1,290
₹1,739
Rating
4.80(30)
4.30(484)
4.50(1,036)
4.70(294)
4.70(1,645)
4.60(73)
4.50(14)
Brand NameuxcellC&D ValveQuartetuxcellALKOOSmartSignHARFINGTON
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow