RUKO HGB DIN 2181 HSS 60° MF 38 x 1.50 mm Hand Tap Set

Manual cutting of metric fine threads with a nominal diameter of 38 mm and a pitch of 1.50 mm in through holes and blind holes requires a precise, robust tool. This 3-piece hand tap set from RUKO's HGB series provides the necessary pre-cutter, second cutter, and finish cutter for sequential thread cutting in unalloyed and low-alloy steels, cast iron, and non-ferrous metals.

Who is it for

Machinists, metalworkers, and maintenance technicians who need to produce or repair metric fine threads manually in workpieces with high accuracy and repeatability.

Main features

• Thread standard: DIN 2181, metric fine (MF) with 60° thread angle
• Nominal diameter 38 mm, pitch 1.50 mm, right-hand cutting
• Made of high-speed steel (HSS) for durability
• 3-piece set: pre-cutter, second cutter, finish cutter
• Tolerance class ISO 2 (6H)
• Recommended core hole diameter: 36.5 mm
• Overall length 180 mm, shank diameter 28 mm, square drive 22 mm
• Bright (uncoated) surface finish

Specifications

• Product type: Hand tap set
• Thread standard: DIN 2181
• Thread type: Metric fine (MF)
• Nominal thread diameter: 38 mm
• Thread pitch: 1.50 mm
• Material: High-speed steel (HSS)
• Thread angle: 60°
• Cutting direction: Right-hand
• Number of pieces: 3
• Tolerance class: ISO 2 (6H)
• Recommended core hole diameter: 36.5 mm
• Overall length: 180 mm
• Shank diameter: 28 mm
• Square drive size: 22 mm
• Surface finish: Bright (uncoated)
• Application: Manual thread cutting in through holes and blind holes
• Suitable materials: Unalloyed and low-alloy steels, cast iron, non-ferrous metals
• Tool series: HGB

Tips

Use appropriate cutting oil and ensure the tap is aligned perpendicular to the workpiece. For blind holes, clear chips frequently to prevent binding.