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Maximum Length: 1"
Style Number: 8
Head Type: Hex Washer
Drive Type: Hex
Maximum Length: 1"
Style Number: 8
Head Type: Hex Washer
Drive Type: Hex
Key Features
- Hex washer head self-drilling screws drill a hole and tap threads in one operation
- The drilling operation removes metal and can be used in heavier gauge metals
- Length is determined from the base of the fastener head
Key Features
- Hex washer head self-drilling screws drill a hole and tap threads in one operation
- The drilling operation removes metal and can be used in heavier gauge metals
- Length is determined from the base of the fastener head
Key Features
- Hex washer head self-drilling screws drill a hole and tap threads in one operation
- The drilling operation removes metal and can be used in heavier gauge metals
- Length is determined from the base of the fastener head

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Overview
Specifications
Documents
Product Overview
Self-Drilling Screws are manufactured from cold-heading steel and feature a #2 drill point. The unique tip design allows them to drill, tap, and fasten metal to metal objects in one operation, without the need to pre-drill. This creates the optimal drill performance and thread forming experience. The most common applications are used on metal to metal, but they can also be used in a wide variety of other applications. IFI-113 and ASTM C954 cover the material and performance requirements for steel self-drilling screws.
Main Features
- Hex washer head self-drilling screws drill a hole and tap threads in one operation
- The drilling operation removes metal and can be used in heavier gauge metals
- Length is determined from the base of the fastener head
- Self-piercing, self-tapping
- Invincibox™ up to 2 in
General Information
Name: Dottie TEKHW81 #8 1" Hex Washer Head Self Drilling Screw, 100-Pack
Category: Dottie, Tools & Hardware, Fasteners, Screws
UPC Code: 781002175100
Country of Origin: Taiwan. Country of origin is subject to change.
Specifications
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ADI Part Number LH-TEKHW81 Brand Name Dottie Connecting Thread Type BSD Manufacturer L.H. Dottie Manufacturer Part Number TEKHW81 Packaged Quantity 100 Product Model TEKHW81 Product Name #8 x 1'' Hex Washer Head Self Drilling Screw Product Type Screw Sustainability Certificates Yes
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Material Carbon Steel
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Drive Type Hex Fastener Type Self Drilling Screw Finishing Zinc Plated Head Type Hex Washer Length 1" Threads Per Inch (TPI) 18
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Environmental Certification RoHS Environmentally Friendly Yes