- Cooling Parts
- Heating Parts Service
- brass fittings-Heating Parts Service
- Commercial Burner Controls
- Control Boards-Heating Parts Service
- Draft Inducers-Heating Parts Service
- electric heat parts
- electrical service
- fan and limit controls
- Flame Sensor
- Flue Collector Box
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- gaskets
- heat exchangers
- ignition components
- Ignitors
- manifold and burners
- Motors-Heating Parts
- OEM Parts-Heating Parts Service
- pressure switches-Heating Parts Service
- relays-Heating Parts Service
- Specialty Controls
- Specialty-Heating Parts Service
- Thermocouples
- Transformers
- venting materials
- Motor Accessories
- Motors
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- Controls/Accessories
- Accumulators and Receivers
- Capacitors-Controls/Accessories
- Capillary Tubing
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- Drain Pan / Cable Heaters
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- Filter Driers
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- Motors-Controls
- Overload
- Pressure Controls
- Refrigeration Valves
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- Relief valves-Controls
- Sight Glasses and Moisture Indicators-Accessories
- Solenoid Valves
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- Equipment Refrigeration
- Refrigerant and Oils
- Chemicals
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- Electrical
- Installation
- Adhesives-Installation
- Brazing and Soldering Supplies
- Capacitors-Installation
- Caulk and Sealants
- Condensate Drain Pans
- Condensate Management
- Condensate Pumps
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- Duct and Pipe Hangers
- Duct Connectors and Damper Hardware
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- Equipment Pads and Stands
- Hardware, Fasteners, and Hangers
- Hose Clamps
- Markers & Paint
- Miscellaneous-Installation
- Roof Penetration Products
- Tape
- Thread Sealants
- Vibration Absorbers and Pads
- Maintenance
- Pipe, Fittings, and insulation
- Black Pipe & Fittings
- Black Pipe and Fittings Accessories
- Copper Fittings
- Copper Pipe
- Copper Press Fittings
- Flexible Gas Pipe Fittings including Insulation
- Galvanized Pipe and Fittings
- HVACR Brass fittings
- Linesets
- LOKRING
- Pipe Insulation
- Push Fit Fittings
- PVC Pipe and Fittings
- PVC Pipe and Fittings Accessories
- Specialty Supplies
HW8X1/2ZG 100-PAK 1/4 HEAD SIZE DRILL SCREW

Undercut Indented Hex Washer Slotted Head
Burr Free
Undercut Always Seat Flush
Single Starting Thread Machined Down to Very Tip of Screw Point
Instantly Penetrate and Engage in Heavy Gauge Sheet Metal and Layered Light Gauge
Quality Controlled Heat Treat
Sharp Tapered Point will Not Mushroom or Break
Bright Zinc Plated
Unique Designed and Quality Controlled Screw
Sophisticated Heat Treat Process Allow the Screw to Taper to a Fine Sharp Point without Sacrificing Critical Point Strength
Single Starting Thread is Machined Down to the Very Tip of the Point and is the Source of Penetrating Power
Second Thread Above the Point Engage after Initial Penetration and Move the Screw in Double Fast
Screw are Faster Driving with a Greater Capacity for Fastening Heavier Gauge of Sheet Metal than any Other Self-Drilling Type