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Self-Drilling Hex Washer Head Screws — HWD12034

Pro-Twist · Self-Drilling Screws (Heavy Gauge)

Self-Drilling Hex Washer Head Screws

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Pro-Twist® Self-Drilling Hex Washer Head Screws are designed for metal to metal fastening with heavy gauge metal. Commonly used to attach purlins and channels to structural steel studs and in HVAC and ductwork. Zinc plated for enhanced corrosion resistance. Hex drive allows for a strong connection between tooltip and fastener for high torque during driving. #3 drill point pierces through metal substrates and fine threads provide a secure connection in metal to metal applications.

  • Application

    Metal to Metal Screws

  • Head Type

    Hex Washer Head

  • Thread Type

    Full Thread

  • Point Type

    #3 Drill Point

Description, photography and documents as published by Pro-Twist. Their product page ↗

Part numbers

19 of 19. Every figure is Pro-Twist's published data.
Gauge
Length
Thread Type
Piece Count
Point Type
Drive Type
Finish or Coating
Part #GaugeLengthThread TypePiece CountPoint TypeDrive TypeFinish or Coating
HWD12034#123/4 in.Fine Thread5000#3 Drill Point5/16 in. Hex DriveZinc Plated
HWD12100#121 in.Fine Thread3000#3 Drill Point5/16 in. Hex DriveZinc Plated
HWD12112#121-1/2 in.Fine Thread3000#3 Drill Point5/16 in. Hex DriveZinc Plated
HWD12114#121-1/4 in.Fine Thread3000#3 Drill Point5/16 in. Hex DriveZinc Plated
HWD12200#122 in.Fine Thread2000#3 Drill Point5/16 in. Hex DriveZinc Plated
HWD12212#122-1/2 in.Fine Thread1000#3 Drill Point5/16 in. Hex DriveZinc Plated
HWD12300#123 in.Fine Thread1000#3 Drill Point5/16 in. Hex DriveZinc Plated
HWD14034#143/4 in.Full Thread4000#3 Drill Point3/8 in. Hex DriveZinc Plated
HWD14100#141 in.Full Thread3000#3 Drill Point3/8 in. Hex DriveZinc Plated
HWD14112#141-1/2 in.Full Thread2000#3 Drill Point3/8 in. Hex DriveZinc Plated
HWD14114#141-1/4 in.Full Thread2000#3 Drill Point3/8 in. Hex DriveZinc Plated
HWD14200#142 in.Full Thread1000#3 Drill Point3/8 in. Hex DriveZinc Plated
HWD14212#142-1/2 in.Full Thread1000#3 Drill Point3/8 in. Hex DriveZinc Plated
HWD14300#143 in.Full Thread1000#3 Drill Point3/8 in. Hex DriveZinc Plated
HWD14400#144 in.Full Thread500#3 Drill Point3/8 in. Hex DriveZinc Plated
HWD14500#145 in.Full Thread500#3 Drill Point3/8 in. Hex DriveZinc Plated
X41278#127/8 in.Fine Thread4000#4 Drill Point5/16 in. Hex DriveExterior Coated
X512112#121-1/2 in.Full Thread2000#5 Drill Point5/16 in. Hex DriveExterior Coated
X512114#121-1/4 in.Full Thread2000#5 Drill Point5/16 in. Hex DriveExterior Coated

The same on every part number here

Application
Metal to Metal Screws
Head Type
Hex Washer Head
Self-Drilling
Yes
Base Material
High Carbon Steel
Hand Drive
Yes
Collated
No
Packaging
Carton

Details

Zinc plated hex washer head screws for attaching purlins and channels to structural steel studs

Made from high carbon steel for strength and durability

For light gauge metal framing applications

Hex washer head for secure driving and solid tooltip to fastener connection

5/16″ Hex Head for a secure hold during driving

Fine threads grip metal substrate and provide strong compressive grip

Zinc plated for increased corrosion resistance

Commonly used in up to 5 gauge steel

#3 Self-drilling point cuts into metal studs quickly and easily

Documents

3 documents, served straight from Pro-Twist so you always get the current revision.

Pro-Twist publishes these by line rather than by part number — one catalogue and one warranty cover the whole range. Anything above marked as an evaluation report is the listing this product is actually approved under.

Ask About This Product

Answered from Pro-Twist's own documents — the 3 sheets listed above — with the source and page behind every line.

AI · cites its sources

Answers come from Pro-Twist's published documents and our own product record, and are generated — check anything you are about to build to against the source we link. Never quotes prices; the page above does that.