Chamfered Hex Washer Screw | Screw Manufacturing for 50 Years | Sen Chang
Sen Chang Industrial Co., Ltd., since 1968, is a Chamfered Hex Washer Screw | CE certified screw 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.
Process: Screw head shaping, thread rolling and washer molding before acid washing and assembly
All the items are inspected during the process and before shipping, complying with ISO Working Instruction
Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector
Screw Measurement Points: Across the flat and corner, Head height, Length, Major diameter, Thread angle, Pitch, Minor diameter, Angle of the pointed tail
A2 Washer Measurement Points: Outside diameter, Height, Rec diameter
Tapping Type A
White Nylon Washer
Tapping Type A Plus White Nylon Washer
Item Size: #14x1-1/2"
Available Material: 302HQ 304SS 305SS 316SS 410SS 420SS 430SS