01 — Essential Specifications
Choose with confidence
Essential specifications
The facts that matter most when choosing the right product in this family.
02 -- Materials, Applications & Machines
Working compatibility
Materials, applications & machines
Quickly confirm what the tool can cut, the work it is designed to perform, and the equipment it is intended to run on.
Compatible materials
Recommended workpiece materials
- Stainless steel
- Aluminum
- Steel
Recommended applications
Typical jobs and operations
- Steel, Stainless (light), Aluminum, Brass, Bronze, Cast Metals Thread repair blind-hole threading fabrication machine assembly automotive repair maintenance shops installation work
- Threading
Compatible machines
Equipment and operating methods
- Manual
- Tapping machine
03 -- Complete Technical Specifications
Technical data
Complete technical specifications
Open only the groups you need to confirm construction, dimensions, and operating requirements.
Construction & identification
Tool typeTaps
Tool subtypeHand Taps
Detailed styleCarbon Steel · Taper
Manufacturer series302
Series family302
Measurement systemWire/Letter/Number
Tool materialCarbon Steel
Coating / finishStandard
Manufacturer part number302-4-40-T
Dimensions & fit
Size#4-40 UNC
Drill / wire / letter designation#4
Cutting diameter#4
Flute / cutting length9/16
Overall length1-7/8
Pack quantity12
Cutting geometry
Flute count3
Threading
Thread size#4-40
Thread standard / formUNC
Threads per inch40.0 TPI
Tap chamfer styleTaper
04 -- Why Choose this series
Series advantage
Why choose the 302 series
302
Every sizes possible on the market available, popular, standard and special.
Features supporting this advantage
- Every sizes possible on the market available, popular, standard and special.
- Carbon Steel
- Standard
05 -- Compatibility & What's Included
06 -- Use Notes & Technical Description
Before you use it
Use notes & technical description
Important fit, operating, and care guidance to review before putting the tool to work.
View the complete technical description
Champion 302-4-40-T Carbon Steel Taper Tap | #4-40 UNC
The 302-4-40-T is a Champion carbon steel hand taps in the 302 series.
Every sizes possible on the market available, popular, standard and special.
Technical Specifications
| Manufacturer part number | 302-4-40-T |
|---|---|
| Size | 4-40 |
| Number Of Flutes | 3 |
| Length of Thread (IN) | 9/16 |
| Overall Length (IN) | 1-7/8 |
| Chamfer | Taper |
| Order quantity multiple | 12 |
Use a compatible machine or holder, the correct speed and feed, and appropriate personal protective equipment. Follow the manufacturer’s instructions.
How ordering works
A clear process from order to delivery
Whether you need one replacement tool or a recurring supply order, every step is designed for clear communication, accurate fulfillment and dependable delivery.
1
Order submitted securely
Your products, quantities and order details enter our system for verification.
Secure submission
2
Confirmation sent
You receive a clear summary of the items and quantities, ready to review or share.
Details confirmed
3
Picking and packing
Our team prepares the correct products and quantities for safe, accurate transportation.
Carefully prepared
4
Tracking provided
As soon as the carrier label is created, the tracking information is sent to you.
Trackable shipment
5
Delivery to your location
Your order travels to the selected address with clear visibility into its progress.
Dependable delivery
Business purchasing
Built for the way businesses buy
For distributors, wholesalers, machine shops and contractors: apply for Net 30 terms, email a PDF purchase order or request tailored business pricing.
Canada & United States
Purchasing in CAD
Net 30 terms available after credit approval
PDF purchase orders accepted directly by email
Targeted pricing based on products, quantities and repeat needs
Credit decisions are usually completed in 2–3 business days. No minimum order is required to apply.