S-92685A535 Length 1 1/4" Tapping Screws

Tapping Screws

0485FA00011 Tapping Screws
0485FA00011 Tapping Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0485FA00011
Equivalent to mcmaster :
92685A535

Basic Information

Tapping Screw Type BSD
Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 3/8"
Head Height 0.3"

Dimensions

Length 1 1/4"
Flange Diameter 0.595"
Shank Cross Section Round

Thread Parameters

Screw Size 1/4"
Thread Diameter 0.25"
Approximate Threads per Inch 14
Thread Direction Right Hand
Threading Fully Threaded
Locking Type Serrations

Tip & Drive Parameters

Tip Type Drilling
Drive Style External Hex
Drill Tip Type No. 3
Drill Tip Length 5/16"
Tapping Method Thread Forming

Material & Strength

Material Zinc-Plated Steel

Temperature & Environment

For Use In Steel, Sheet Metal

Installation & Application

Maximum Drilling Thickness 0.21"
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding industrial environments
  • Enhanced installation efficiency with integrated No. 3 drill tip that eliminates pre-drilling requirements
  • Exceptional vibration resistance through serrated locking mechanism under the hex head
  • Increased load distribution from the flanged design that prevents pull-through in thin materials
  • High-strength thread forming capability that creates permanent, secure threads in steel and sheet metal
  • Optimized driving torque transfer with external hex drive design for reliable installation
  • Maximum material penetration capable of drilling through up to 0.21" thickness without pilot holes

Professional Applications & Engineering Value

These zinc-plated steel flanged tapping screws deliver exceptional engineering value in steel and sheet metal applications where reliability and installation efficiency are critical. The thread forming design creates strong, permanent threads without chip formation, eliminating contamination concerns in sensitive assemblies. The integrated No. 3 drill tip penetrates up to 0.21" thickness, significantly reducing installation time by eliminating separate drilling operations. The serrated locking feature beneath the hex head provides vibration resistance in dynamic environments, while the flanged design distributes clamping force evenly, preventing material deformation in thin-gauge applications. These BSD tapping screws are engineered for high-volume industrial assembly where consistent performance and reduced installation steps translate to lower production costs.

Specification Summary & Compliance

Manufactured to precise 1/4"-14 thread specifications with fully threaded shank and right-hand thread direction. Features external hex drive with 3/8" head width and 0.3" head height for standard tool compatibility. The thread forming tapping method follows BSD standards for reliable performance in metal applications. Complies with industry standards for dimensional accuracy and material specifications suitable for industrial fastening requirements.

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