Product Overview

The document presents various types of screws designed for industrial applications, focusing on S-Type Pan and Binding Head Screws, Flat Head Screws with long slots, and Stainless Steel Left-Hand Thread Screws. These products are widely used in lighting, HVAC, home appliances, automotive industries, and revolving devices such as fans and motors.

S-Type Pan and Binding Head Screws

• Product Code: 30-00-00PO.OOP4
• Key Features: As the screw is driven in, the three studs strip away paint beneath, eliminating the need for masking before painting.
• Applications: Lighting, HVAC, home appliances, automotive industries.
• Inventory: Sizes available include 3mm and 4mm diameters with lengths ranging from 6mm to 12mm.
• Material: Steel.
• Design: The screws have three studs spaced 120° apart, which facilitate electrical connection by simple attachment.

Dimensions and Specifications

The document provides detailed nominal dimensions for head diameter, height, stud width, and recess types for both pan and binding head screws. For example, 3mm diameter screws have head diameters around 5.5-6.3mm and stud widths approximately 2.8-3.0mm.

Flat Head Screws with Long Slot

• Product Code: OO-XX-0201
• Key Features: Designed to eliminate burrs common with single slot screws. The longer slot does not extend to the head edge but can be tightened with a regular slot driver.
• Durability: Even if the cross recess is damaged by cam-out, the screw can still be unscrewed with a regular driver.
• Material: Steel and Stainless Steel.
• Sizes: M3 to M6 with head diameters from 6mm to 12mm and heights from 1.75mm to 3.4mm.
• Slot Dimensions: Long slot widths range from 0.85mm to 1.40mm with depths varying by side and center.

Stainless Steel Left-Hand Thread Screws

• Product Codes: 00-02-0080 / -0081
• Key Features: Newly stocked stainless steel screws with left-hand threads, suitable for revolving devices such as fans, vent fans, and motors.
• Types: Pan Head and Flat Head screws available.
• Sizes and Inventory: Nominal diameters from M4 to M8 with lengths ranging from 10mm to 35mm. Stock availability is indicated for common sizes.

Additional Information

For sizes not listed in the inventory charts, customers are encouraged to contact Sunco Industries Co., Ltd. The company is based in Osaka, Japan, and provides contact details for inquiries.

Critical Points and Best Practices

• The S-Type screws’ design allows paint stripping during installation, reducing preparation time and cost.
• Flat head screws with long slots improve usability by reducing burrs and allowing removal even if the cross recess is damaged.
• Left-hand thread stainless steel screws are specialized for applications involving rotation, preventing loosening under reverse torque.
• Material choices (steel vs. stainless steel) and thread direction are critical parameters depending on application requirements.