RUKO HGB Set DIN 352 HSS 60° 1-1/8x UNC Hand Tap Set, 3-Piece

Cut 1 1/8-inch UNC threads by hand with this 3-piece HSS tap set. The set includes taper, plug, and bottoming taps, all ground to DIN 352 with a 60° thread angle and 7 TPI. Made from bright high-speed steel for durability in unalloyed and low-alloyed steels, cast iron, and non-ferrous metals.

Overview

This RUKO hand tap set is designed for manual internal threading of UNC 1 1/8-inch threads. The three taps—taper, plug, and bottoming—allow you to start, deepen, and finish threads to the bottom of blind holes. The taps feature a square drive shank for secure holding in a tap wrench. They are supplied in a plastic case for storage and protection.

What stands out

• Complete 3-piece set for full thread cutting capability
• Ground HSS-G construction for sharpness and wear resistance
• 60° thread angle conforms to UNC standard
• Bright finish reduces friction during cutting
• Square drive shank fits standard tap wrenches

Technical details

• Product Type: Hand Tap Set
• Thread Standard: UNC (Unified National Coarse)
• Nominal Thread Size: 1 1/8 inch
• Threads Per Inch (TPI): 7
• Material: High-Speed Steel (HSS-G)
• Manufacturing Standard: DIN 352
• Thread Angle: 60°
• Number of Pieces: 3 (Taper, Plug, Bottoming)
• Cutting Direction: Right-hand cut
• Tolerance Class: ISO 2 (6H)
• Surface Finish: Bright
• Shank Type: Square drive
• Packaging: Plastic case
• Tool Grade: Ground (G)

Our verdict

A professional-grade tap set for reliable hand threading of large UNC threads. The inclusion of all three tap types makes it versatile for both through and blind holes, and the HSS-G material ensures long tool life.