Double End Screw

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Double End Screw | Custom Nuts and Bolts Manufacturing - Sen Chang

Sen Chang Industrial Co., Ltd., since 1968, is a Double End Screw | nuts and bolts manufacturer based in Taiwan.

ISO 9001 certified self tapping screw production processes and stainless steel screws and bolts with meticulous quality control. Screws and bolts including Machine Screws, Tapping Screws, SEMS Screws, Coating Screws and High Tensile Screws.

Sen Chang has been supplying nuts and bolts to customers, both with advanced technology and 48 years of experience, Sen Chang ensures each customer's demands are met.


Double End Screw

OA009-150919-1

Process: Threading after screw cutting, and acid washing being the last step
All the items are inspected during the process and before shipping, complying with ISO Working Instruction
Inspection Tools: Calipers, Ring gage, Micrometer, 2.5D and 2D projector
Measurement Points: Machine thread diameter, Machine thread length, Wood thread diameter, Wood thread length, Total length, Length of the unrolled middle part, Pitch, Angle of the pointed tail, Thread angle, Ring gage

Features

  • Single Side Machine Thread 1/4-20
  • Single Side Pointed Wood Thread1/4-10

Specification

  • Item Specification: 1/4-20*8"
  • Available Material: 302HQ 304SS 305SS 316SS 410SS 420SS 430SS

Available Product

  • Head Diameter 1/8”~12”/3.175mm~600mm