Harris Uni-Core Punch, 3.0 mm, Disposable Steel-Tip Sample Coring Tool, 4/Pk
Qiagen SKU: WB100039

Featuring a polished, case-hardened steel cutting tip housed in a molded plastic handle, this disposable Uni-Core Punch delivers clean, repeatable manual coring of thin, soft substrates. The 3.0 mm tip cores, retrieves, and ejects sample discs in a single operation, and each tip provides up to 500 punches before disposal. Designed for laboratories with low daily sample volumes, the punch supports controlled extraction while minimizing carryover when the recommended cleaning procedure and companion cutting mat are used. It is compatible with Qiagen FTA Cards, FTA Elute Cards, and the EasiCollect device.

Key Tool Characteristics

• Polished, case-hardened steel cutting tip provides accurate, clean cuts and uniform sample discs.
• 3.0 mm tip diameter suited to coring filter paper, dried blood spots on cards, and gels.
• Limited-reusable design rated for up to 500 punches per tip before disposal.
• Built-in plunger enables controlled retrieval and ejection of the cored sample into a target tube.
• Disposable construction minimizes contamination and carryover when a cleaning procedure is followed.

Key Construction Characteristics

• Plastic (polypropylene) handle housing the steel cutting tip.
• Can be sterilized by autoclaving for 20 minutes at 250°F (121°C) and 15 psi.
• Supplied 4 per pack.
• Compatible with Qiagen FTA Cards, FTA Elute Cards, and the EasiCollect device.

This punch maintains sample integrity through precise, uniform coring and controlled ejection that reduces cross-contamination between samples. Its reusable steel tip and straightforward manual operation make it a dependable choice for routine, low-volume sample punching. Use with the recommended companion cutting mat to extend tip life and preserve cut quality.

Capacity

Up to 500 punches per tip

Diameter

3.0 mm

Material

Polypropylene handle with case-hardened steel cutting tip

Maximum Operating Temperature (°C)

121

Pack Count

4

Sterilization

Autoclave (20 min at 250°F / 121°C, 15 psi)

• Dried Blood Spot Sampling Cores uniform discs from dried blood spots on FTA and collection cards for downstream nucleic acid workflows.
• FTA Card Punching Extracts clean sample punches from Qiagen FTA Cards, FTA Elute Cards, and EasiCollect devices.
• Forensic Sample Coring Retrieves consistent cores from thin, soft substrates for forensic and identity testing.
• Gel Sampling Punches defined sections from gels for excision and recovery of target material.
• Filter Paper Sampling Cores reproducible discs from filter paper and similar soft media for assay preparation.
• Molecular Biology Sample Prep Provides controlled, low-carryover sample extraction for molecular biology applications.