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Add any 3 blades. Your holder is free if it's in your cart, otherwise your cheapest blade is.
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LIFETIME WARRANTY

Upgrade to lifetime warranty

Lifetime warranty added

Every item in your order, up from 2 years.

Every item in this order is covered for life.

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From $27.95 USD
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International orders may owe duties or VAT on delivery. Learn more

30-day returns 4.7 · 900+ reviews Designed in Oregon

Add to your order

BitWhip Travel Case
$44.00
RGB Critter Travel Case
$29.00
BitWhip Accessory
From $44.00
Fiber Optic Duster -⁠ Black
$29.00
Critter To LPB Adapter
$29.00
DIY Connector
$22.00
Critter Connector
$37.00
Light Painting Blade Holder
$29.00
Modular End Cap
$29.00

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RGB Critter Tube Adapter set screw, M4 x 3mm stainless flat-tip clamping screw

RGB Critter Tube Adapter Set Screw (M4 x 3mm)

The M4 clamping screw for the Tube Adapter.

The M4 clamping screw for the Tube Adapter.

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The RGB Critter Tube Adapter Set Screw is the stainless steel clamping screw used to lock a tube inside the RGB Critter Tube Adapter.

The tube slides into the adapter and the flat-tip screw pinches down against it, holding the tube firmly in place during spinning, flow performance, and light painting.

Full details and specs Show less

The RGB Critter Tube Adapter uses two of these screws. Sold individually, so add two to your cart to replace a full set.

Driven by a 2mm Allen key (see Critter to Tube Adapter Allen Key).

Please note: this is not the screw for the Modular Saber Tube Adapter or the Modular Saber Tube Connector. Those two parts both use the larger M5 x 0.8 x 4mm screw, sold as the Tube Adapter & Connector Set Screw.

Key Features

  • Flat-point DIN 913 design grips without chewing up the tube
  • Stainless steel for corrosion resistance and repeated adjustment

Specs

  • Thread: M4
  • Length: 3mm
  • Type: Flat-Tip Set Screw
  • Standard: DIN 913
  • Drive: 2mm hex
  • Included: 1x set screw

Compatibility

  • RGB Critter Tube Adapter
Price$1.00
Regular price
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30-day returns

Shipping to Canada is a flat rate from $22.95 USD, added at checkout. Free shipping is US only. Shipping policy.

4.7 · 900+
reviews
30-day
returns
Designed
in Oregon

2-year warrantyDefects in materials or workmanship are covered for 2 years from the date of purchase.

Lifetime upgrade in the cartAdd it and every item in the order is covered for as long as you own it. Batteries are covered for 60 days.

Free 30-day US returnsUnused and in the original packaging, and we email you a prepaid label. International returns are accepted within 30 days, return postage is yours.

Broke in use?That is a warranty claim, with no 30-day limit. Email support@antsonamelon.com and we repair or replace it.

Full warranty policy  ·  Full return policy
RGB Critter Tube Adapter Set Screw (M4 x 3mm)
RGB Critter Tube Adapter Set Screw (M4 x 3mm)
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0 $0.00

LIGHT PAINTING SABERS. BUILD YOUR KIT.

Shop all

Transform your light art with our modular light painting tubes. Designed for photographers and artists, these customizable tubes let you create stunning long-exposure effects and dynamic light trails.

Pattern Tube Set

Butterfly, Honeycomb and Dots Combo, any length.

From $70.00
Build Your Own Tube Pack

Mix any patterns and lengths, 1 to 8 tubes.

From $174.00
Light Painting Tube

Broad ribbons of color. Needs the Tube Adapter.

4.8 (47), rated 4.8 out of 5 from 47 reviews
From $37.00
Honeycomb Light Painting Tube

Laser-cut honeycomb texture for long exposures.

4.7 (29), rated 4.7 out of 5 from 29 reviews
From $29.00
Dots Combo Light Painting Tube

Two different dot effects, one tube, one tool.

From $29.00
Butterfly Light Painting Tube

Laser-cut wings for textured light trails.

4.5 (21), rated 4.5 out of 5 from 21 reviews
From $29.00
Spiral Dots Light Painting Tube

Laser-cut spirals that twist dotted trails of light.

5.0 (1), rated 5.0 out of 5 from 1 reviews
From $37.00
RGB Critter Tube Adapter - Long

Twists on and grips a 1 inch tube for spinning.

$51.00
Modular Saber Tube Adapter

Clamps a 1 inch tube and gives you a thread.

$37.00
Shop all Modular Light Painting Sabers

Added To Cart

Complete your setup:

International Shipping Restriction

This lithium-ion battery cannot be shipped internationally and cannot be added to your cart.

You can purchase the required battery locally with these specifications:

  • 18650
  • Lithium-ion
  • 3.6V nominal
  • Unprotected
  • Flat top
  • 18.3mm diameter × 65.0mm length

Do not purchase protected, button top, 3.2V, or 1.5V cells.

Ants on a Melon is not responsible for batteries purchased from third-party sellers. Please verify specifications and use only high-quality lithium-ion cells from reputable brands.

LIFETIME WARRANTY
Every item in your order, for life.
Our gear comes with a 2-year warranty. This upgrade extends every item in your order to lifetime.
WHAT YOU ALREADY GET
2 years on everything in your order, free. Batteries have their own 60-day warranty.
WHAT THIS ADDS
If anything in this order fails from a defect, we repair or replace it for as long as you own it.
NO HASSLE CLAIMS
Email us photos or a short video. Most repairs are back out in 2 to 3 working days.
NOT COVERED
Drops, a cracked housing, loss, theft, broken fiber strands and normal battery wear.
International duties & VAT
A quick heads-up for orders shipping outside the US.
Set by your destination
Import duties and VAT are charged by your country's customs, not by Ants on a Melon.
Paid on delivery
Your carrier collects any charges when they deliver. Amounts vary by country.
Still fully guaranteed
Every international order is guaranteed to arrive. Need help? Email support@antsonamelon.com