Eagle Cutting Tool HT-348-P-I Hss Hand Plug Tap 3-48

Product Description

The EAGLE CUTTING TOOL HT-348-P-I is a 3-48 high-speed steel (HSS) hand plug tap designed for cutting internal threads in ferrous and non-ferrous materials. The plug chamfer — typically 3 to 5 threads — makes it suitable for through-hole threading where full thread engagement is needed before the tap bottoms out. At 0.31 pounds, it is a lightweight, single-piece cutting tool intended for hand tapping operations using a standard tap wrench or tapping handle. Machinists, maintenance technicians, and trade professionals use this tap for repair work, new fabrication, and field threading tasks.

The HT-348-P-I is sized for the 3-48 thread form, a fine-pitch unified national thread (UNF) in the #3 screw size range. This thread size is commonly encountered in small fastener applications including electronics enclosures, instrument panels, and light mechanical assemblies. It is appropriate for both shop and field use where hand-tapping small-diameter holes is required. The HSS construction handles a broad range of workpiece materials including mild steel, aluminum, brass, and plastics.

Key Features

• 3-48 thread size for fine-pitch small-diameter internal threading
• High-speed steel (HSS) construction provides durability across common workpiece materials
• Plug chamfer style suits through-hole and standard-depth tapping applications
• Lightweight at 0.31 pounds for easy single-hand or tap-wrench operation
• Minimum order quantity of 1 — available as a single unit

Compatibility

Designed as a standard hand plug tap for use in any application requiring 3-48 UNF internal threads.

Installation Notes

Always secure the workpiece before tapping and use an appropriate cutting fluid or tapping compound to reduce friction and extend tap life. Align the tap perpendicular to the hole using a tap guide or square to prevent cross-threading and breakage, especially critical at this small diameter. Back the tap off a quarter to half turn periodically to break chips. Worn or damaged taps should be replaced rather than forced, as small-diameter taps are prone to breakage under excessive torque.

Technical Specifications

• Thread Size: 3-48
• Thread Form: UNF (Unified National Fine)
• Tap Style: Hand Plug
• Material: High-Speed Steel (HSS)
• Weight: 0.31 pounds
• Minimum Order Quantity: 1

Standard Information

• Brand: EAGLE CUTTING TOOL
• Manufacturer Part Number: HT-348-P-I