Klein Tools #0 Phillips Mini S...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$61.34
$16.07
Klein Tools 604-3 #0 Phillips Mini Screwdriver, 3-Inch, Cushion Grip

Klein Tools #0 Phillips Mini Screwdriver with Cushion-Grip Handle, 3-Inch Precision Tool

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Model: 604-3
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$61.34
$16.07
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Klein Tools #0 Phillips Mini Screwdriver with Cushion-Grip Handle, 3-Inch Precision Tool

Professional precision for small screw applications with enhanced comfort and control

Klein Tools delivers professional-grade precision with this #0 Phillips mini screwdriver featuring a 3-inch shank length and Cushion-Grip handle. Engineered for small screw applications, this precision tool combines heat-treated shaft construction with chrome-plated finish for smooth operation and corrosion resistance. The rubber handle material with yellow/black color coding provides enhanced grip and torque control for detailed electrical and precision work.

Professional Features & Benefits

  • Tip-Ident� System: Quickly identifies screwdriver type and tip orientation for efficient tool selection and proper alignment.
  • Heat-Treated Shaft: Special heat treatment process ensures durability and long-lasting performance under professional use conditions.
  • Precision-Machined Tip: Exact fit design minimizes cam-out and provides secure engagement with #0 Phillips screws.
  • Cushion-Grip Handle: Rubber construction with internal flanges delivers greater torque capacity and twist-resistant blade anchor.
  • Chrome-Plated Finish: Premium plating provides smooth feel, corrosion resistance, and professional appearance.
  • ASME/ANSI Compliance: Meets or exceeds applicable specifications for professional tool standards and reliability.
  • Made in USA: Domestic manufacturing ensures consistent quality control and supports American craftsmanship standards.

Technical Specifications

  • Department: Electrical
  • Handle Color: Yellow/Black
  • Handle Material: Rubber
  • Insulated: No
  • Item Depth: 5.7500 in
  • Item Height: 0.6750 in
  • Item Weight: 0.0400 lbs
  • Item Width: 2.3400 in
  • Magnetic: No
  • Overall Length: 5.75" (14.6 cm)
  • Product Group: Hand Tools
  • Product Subgroup: Screwdrivers & Drivers
  • Shank Length: 3" (7.6 cm)
  • Shank Type: Round
  • Tip Size: #0
  • Tip Type: Phillips
  • Weight: 0.6 oz (17 g)

Professional Applications

  • Electrical Panel Work
  • Control Cabinet Assembly
  • Electronic Device Repair
  • Precision Instrument Maintenance
  • Small Component Installation
  • Professional Service Calls
  • Quality Control Testing

Why Choose Klein Tools Quality?

Klein Tools combines precision manufacturing with professional-grade materials to deliver reliable performance in demanding applications. The heat-treated shaft construction and chrome-plated finish ensure long-term durability, while ASME/ANSI compliance provides confidence in professional tool standards. Made in USA manufacturing supports consistent quality control and represents the trusted craftsmanship professionals depend on for critical applications.

Manufacturer Resources

Spec Sheet

Product Specs

Handle Color:
Yellow/Black
Handle Material:
Rubber
Insulated:
No
Item Depth:
5.7500 in
Item Height:
0.6750 in
Item Weight:
0.0400 lbs
Item Width:
2.3400 in
Magnetic:
No
Overall Length:
5.75" (14.6 cm)
Shank Length:
3" (7.6 cm)
Shank Type:
Round
Tip Size:
#0
Tip Type:
Phillips
Department:
Electrical
Product Group:
Hand Tools
Product Subgroup:
Screwdrivers & Drivers
Product Weight:
0.6 oz (17 g)
Product Type:
Screwdriver
Country Of Origin:
United States
Product Width:
2.34 in
Product Height:
0.675 in
Product Depth:
5.75 in

Klein Tools 604-3 – Frequently Asked Questions

1) Is the Klein Tools 604-3 mini screwdriver insulated for live electrical work?
No. The Klein 604-3 is not an insulated screwdriver, so keep it off energized conductors and terminals. It's built for electrical-adjacent precision work such as panel and control cabinet screws, instrument and device repair, with the circuit de-energized. If you need to work live, you want a separately rated insulated driver, not this one.
2) Will the Klein 604-3 hold a small screw on the tip, or do I need a magnetic driver?
The tip is not magnetized, so it won't hold a loose #0 Phillips screw on its own. For overhead terminal work or starting screws down inside a control cabinet where you can't get fingers in, pick a magnetic-tip precision driver instead. For bench and panel work where you can set the screw by hand, the non-magnetic tip is an advantage near sensitive electronics.
3) What size Phillips screws does the Klein 604-3 fit?
It's a #0 Phillips point, the size used on small electronic devices, instrument covers, thermostat and control board screws, and similar fine fasteners. A #0 is too small for standard #1 and #2 device and switchplate screws, those will cam out and get chewed up. Match the point to the screw recess number.
4) How long is the Klein 604-3 mini screwdriver, and will it reach into a deep terminal?
Shank length is 3 inches (7.6 cm) with an overall length of 5.75 inches (14.6 cm), so you get roughly three inches of round shank past the handle. That reaches recessed terminal screws and set screws in a device box or enclosure, but it is not a long-reach driver. For anything deeper than three inches you need a longer-shank screwdriver.
5) Is this Klein mini screwdriver comfortable enough for repetitive work, or is it a bare-handle precision tool?
It carries a full Cushion-Grip rubber handle in Klein's yellow and black, not a thin bare plastic precision barrel. The rubber handle with internal flanges gives more torque and grip than a typical jeweler's driver, which matters when you're running dozens of small screws on a service call or cabinet build.
6) Does the Klein 604-3 have a rotating cap for thumb-and-finger precision turning?
No spinning end cap. This is a fixed cushion-grip handle driver, turned with the whole hand rather than rolled between fingertips. If your work calls for continuous fingertip rotation, like watch or fine instrument assembly, a swivel-cap jeweler's set suits that better; the 604-3 is aimed at electrical and device work where grip and torque control matter more.
7) What is the part number and weight of the Klein #0 Phillips mini screwdriver?
Order it as Klein Tools 604-3. It weighs 0.6 oz (17 g), light enough to live in a shirt pocket or the lid of a meter case, which is how most techs carry a #0 precision driver.
8) Will the chrome finish on this Klein driver hold up in a damp or outdoor service truck?
The shank is chrome plated over a heat-treated shaft, which gives corrosion resistance and a smooth wipe-down after handling. It is a plated finish, not stainless, so dry it off rather than leaving it sitting wet in a bag.
How fast can I get the Klein Tools 604-3 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Klein Tools 604-3 come with a warranty?
Absolutely. The Klein Tools 604-3 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Klein Tools 604-3?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Klein Tools 604-3 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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