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Clear poly bag with slide seal, flat pack of 250

Zoro Select

Zoro Select 55NK51 Chisel Soldering Tip

SKU CH-QMCB-1F02A

Chisel tip for soldering work, supplied in reclosable 9 by 12 inch poly bags with slide seal

  • Product typeChisel
  • Chisel profile delivers precise heat transfer for soldering tasks
  • 75 mil low-density polyethylene construction resists tears during handling
  • Slide-seal closure keeps contents secure and moisture-free
  • Flat-pack format with 250 bags streamlines workshop organisation
  • FDA-compliant material approved for direct food-contact applications

Zoro Select 55NK51 Chisel Tip

The Zoro Select 55NK51 is a chisel-style soldering tip designed for electronics assembly and repair work. It suits technicians and hobbyists who need a broad, flat face for efficient heat transfer to larger joints or pads. The tip fits compatible soldering stations that accept this series.

Replacing worn or oxidised tips

Swap the tip when the plating is pitted, the chisel edge is deformed or heat transfer becomes inconsistent. A fresh tip restores reliable wetting and reduces dwell time on sensitive components. The upgrade is worthwhile whenever rework quality drops or tip maintenance no longer helps.

Check station compatibility and tip series

Verify that your soldering station accepts the 55NK51 series before ordering. Confirm the mounting style and heater geometry match the manufacturer’s specification for your iron. Using an incompatible tip can damage the heater or produce poor thermal performance.

How it compares

Measured against everything we stock in Soldering Irons & Stations, at today’s prices. Recalculated every night.

Price $27.99
Typical for this category: the median of 802 items is $25.99.

Specifications

Product
Brand nameZORO SELECT
Product typeChisel

Questions about this item

What are the bag dimensions and thickness for the Zoro Select 55NK51 poly bags?

The bags measure 9 inches wide by 12 inches long with a 2.75 mil thickness.

How do you properly seal the slide seal closure on these 250-count bags?

Press the slider firmly across the full 12-inch seal length until it clicks, ensuring no gaps remain along the track.

When should the 55NK51 bags be replaced in a storage rotation?

Replace bags if the slide seal no longer closes completely, the LDPE film tears, or the white block area becomes illegible.

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