Professional Flat Head Carriage Screw with Machine Thread Manufacturing

ISO-Compliant Stainless Steel Carriage Bolts with Pointed Square Under Head Design

Best Sale

Need Carriage Screws That Won't Spin During Assembly on Wood Substrates?

Our flat head carriage screws feature a pointed square under head design that locks into pre-drilled holes, preventing rotation during tightening—critical for high-volume furniture assembly lines. With ISO-compliant manufacturing and multiple 18-8SS material options, we deliver the precision and consistency your production demands. Contact us for samples tested to your exact specifications.

With 45 years of manufacturing expertise and production capabilities spanning head diameters from M1.6 to M16 and lengths from 1/8" to 12", we offer comprehensive stainless steel carriage screw solutions in multiple material grades including 302HQ, 304SS, 305SS, 316SS, 410SS, 420SS, and 430SS. Our complete in-house manufacturing capabilities with multi-blow header technology, threading, and passivation processes ensure consistent quality and reliable performance for OEM manufacturers and aftermarket customers requiring specialized fastening solutions. Every product undergoes salt spray testing and process inspection before shipping, guaranteeing the highest standards of quality and durability for your critical applications.

Flat Head Carriage Screw w/ Machine Thread - Stainless Steel Flat Head Carriage Screw w/Machine Thread
Send Inquiry

Flat Head Carriage Screw w/ Machine Thread

BM006-140302-1

Process: Head formation before threading, and then acid washing
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
Measurement Points: Across the flat and corner, Washer diameter, Washer height, Length, Head height, Major diameter, Minor diameter, Thread angle, Pitch

Features

  • Carriage Bolt
  • Pointed Square under Head

Specification

  • Item Size: 10-24*0.40~0.415”
  • Item Material: 18-8SS
  • Available Stainless Steel Material: 302HQ、 304SS 、305SS 、316SS 、410SS 、420SS 430SS

Available Product

  • Head Diameter M1.6~M16/#00~#5/8
  • Length 1/8”~12”/3.175mm~600mm