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16NR/ER-11/14W-HM

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Zhanhong Cutting Tool Co., Limited

Add: No.96, Zhenan East Road, Changan Twon,

Dongguan, 523846，China

Phone:+8613434034082

16NR/ER-11/14W-HM

ZANHO Whitworth-HM series: High-precision 3D chipbreaker threading inserts for Whitworth 55° (BS84) profiles. Featuring the HM chipbreaker for mandatory breaking of long continuous chips, preventing entanglement and surface scratching. Optimized for small space internal/external threading with reinforced edge strength and superior chip evacuation.
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Description

Technical Features

  • HM 3D Chipbreaker: Mandatory chip breaking prevents entanglement and workpiece scratching.
  • Whitworth 55° Profile: Designed per BS84 standards for high-precision threading.
  • Variable-Depth Design: Balances edge strength with high-volume chip evacuation space.
  • Impact Resistance: Honed edges with micro-negative land enhance durability under high loads.

Whitworth-HM Specification (mm)

Model Designation TPI Pitch P (mm) Height h (mm) Radius rε (mm)
16ER-11W-HM 11 2.309 1.478 0.317
16NR-11W-HM
16ER-14W-HM 14 1.814 1.162 0.249
16NR-14W-HM

Insert Physical Parameters

  • • I.C (内切圆): 9.525mm
  • • S (刀片厚度): 3.97mm
  • • d (紧固孔直径): 4.40mm
  • • α (牙型角): 55° (Whitworth)

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