Best Welds 900-14t-30 Mig Contact Tip Tweco Tapered

Product Description

The BEST WELDS 900-14t-30 is a tapered MIG contact tip designed for use in Tweco-style MIG guns. Made from copper, it delivers consistent electrical contact between the welding power source and the wire electrode. The tip features a 0.030 inch nominal wire size bore with a 0.038 inch inside diameter, allowing smooth wire feed and reliable arc starts. At 1.5 inches in overall length, the tapered profile fits standard Tweco-style gas diffusers without modification. Welding technicians and fabricators install this tip as a consumable replacement during routine MIG gun maintenance.

This contact tip is suited for light to heavy MIG welding applications using 0.030 inch solid or flux-core wire. The tapered design seats securely in compatible gas diffusers and helps maintain consistent wire alignment during continuous welds. It is commonly used in production fabrication, structural welding, and general repair work where Tweco-style MIG guns are standard equipment. The tip carries an industry-recognized part number for straightforward cross-referencing when ordering replacements.

Key Features

• Copper construction for high electrical conductivity and heat resistance
• 0.030 inch nominal wire size with 0.038 inch inside diameter for smooth wire feed
• Tapered tip profile for secure seating in Tweco-style gas diffusers
• 1.5 inch overall length matches standard Tweco No 2, No 3, and No 4 gun configurations
• Industry-standard part number for easy cross-referencing and reordering

Compatibility

Designed for use with Best Welds 250/400 MIG guns and Tweco No 2, No 3, and No 4 MIG guns. Compatible with Best Welds gas diffusers or equivalent OEM MIG gun diffusers.

Installation Notes

Contact tips are replaced by welding technicians as consumables during MIG gun maintenance. Disconnect welding power and allow the gun to cool before removing a worn tip. Use the appropriate tip wrench or pliers rated for MIG consumables to avoid damaging the diffuser threads. Inspect the gas diffuser for spatter buildup before installing a new tip to ensure proper seating and gas coverage.

Technical Specifications

• Wire Size (Nominal): 0.030 inches
• Tip Inside Diameter: 0.038 inches
• Overall Length (Nominal): 1.5 inches
• Style: Tweco Style Contact Tip
• Type: Tapered
• Material: Copper
• Country of Origin: CN

Standard Information

• Brand: BEST WELDS
• Manufacturer Part Number: 900-14t-30