GB/T 819 Stainless Steel Countersunk Head Cross Recessed Machine Screws (SS 201/304/316)

GB/T 819 Stainless Steel Countersunk Head Cross Recessed Machine Screws (SS 201/304/316)

GB/T 819 Stainless Steel Countersunk Head Cross Recessed Machine Screws (SS 201/304/316)

GB/T 819 Stainless Steel Countersunk Head Cross Recessed Machine Screws (SS 201/304/316)

GB/T 819 Stainless Steel Countersunk Head Cross Recessed Machine Screws (SS 201/304/316)

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GB/T 819 Stainless Steel Countersunk Head Cross Recessed Machine Screws (SS 201/304/316)

GB/T 819 Stainless Steel Countersunk Head Cross Recessed Machine Screws (SS 201/304/316)

GB/T 819 Stainless Steel Countersunk Head Cross Recessed Machine Screws (SS 201/304/316)

GB/T 819 Stainless Steel Countersunk Head Cross Recessed Machine Screws (SS 201/304/316)

GB/T 819 Stainless Steel Countersunk Head Cross Recessed Machine Screws (SS 201/304/316)

GB/T 819 Stainless Steel Countersunk Head Cross Recessed Machine Screws (SS 201/304/316)

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Product Description

Basic Information

Model NO.

GB/T 819

Groove

Cross

Connection

Common Bolt

Head Style

Round

Standard

GB

Grade

A2-70

Surface

Plain

Inspection

100% QC Steps

Certification

ISO9001

Capacity

100,000 PCS/Day

Product Description

GB/T 819 Stainless Steel Countersunk Head Cross Recessed Machine Screws (SS 201/304/316)

Our stainless steel countersunk head cross recessed machine screws are manufactured to GB/T 819 Chinese national standard, featuring a precise conical head that sits completely flush with material surfaces. With cross recessed Phillips drive and corrosion-resistant stainless steel construction, these screws provide smooth, unobstructed fastening solutions for applications where protruding fastener heads are not acceptable.

Countersunk Head Screw Application

Video Cover

Technical Specifications

●

Standard: Compliant with GB/T 819

●

Drive Type: Cross Recessed (Phillips)

●

Head Type: Countersunk Head (90°)

●

Material: Stainless Steel Grades 201, 304, 316

●

Property Class: A2-70, A4-80

Model	Operating Weight (kg)	Engine Power (kW)	Bucket Capacity (m³)
EX200	20,000	110	0.8–1.2
EX300	30,500	165	1.2–1.8
EX400	45,000	220	1.8–2.5

Right Elevation

Left Elevation

Front Elevation

Quality Assurance & Service

Standard Warranty: 12 months or 2,000 operating hours.

Global Support: 24/7 technical assistance and spare parts supply.

Experience: ISO 9001 certified manufacturer with 30+ years of experience in high-quality fasteners. All products meet DIN / ISO / ANSI standards.

Engineering Drawings

Client Visits & Testimonials

Client Visit 1

Client Visit 2

Client Visit 3

Frequently Asked Questions

Q: What’s the lead time for orders?

A: Standard models ship in 15–30 days; customized units require 30–45 days.

Q: Do you provide after-sales service overseas?

A: Yes, we have partnered service centers in key regions to provide global technical support.

Q: Can I request a customized size or material?

A: Absolutely! We offer tailored attachments and custom fastener configurations based on your technical drawings.

Q: What documents do you provide for export?

A: We provide a full export package including Commercial Invoice, Packing List, Bill of Lading, and COC.

Q: What is the standard warranty period?

A: Our standard warranty is 12 months or 2,000 operating hours, with optional extensions available.

Q: How do I place an order?

A: Please contact our sales team with your specific requirements to receive a formal quote and confirm with a PO.

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