Union Big Cap Tap

Product Overview

Union Big Cap Tap complies with GB/T 968‑83 standard. Square‑shank design, specially designed for machining internal threads of big caps on malleable iron pipe movable joints.

Compliance Standards

‑ GB/T 968‑83

Product Features

1. Square shank structure: Suitable for both manual and machine tapping operations.
2. Two thread‑angle options: 60° for metric series (M33‑M52), 55° for G‑series pipe thread (G32‑G60), matching different thread requirements of malleable iron pipe fittings.
3. 6‑flute design: Good chip evacuation performance, stable cutting for malleable iron workpiece.
4. Complete size range: Covers M33‑M52 metric sizes and G32‑G60 pipe thread sizes, meeting processing demands for malleable iron pipe union big‑cap parts.