Products

Drywall Screws Coarse Thread

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Company: HAIYAN YAOZHIBAO IMPORT&EXPORT CO.,LTD
Keywords: Screws / Drywall Screws / Deck Screws
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Five Advantages Of Products

• EXTENSIVE EXPERIENCE
• BEST SERVICE BEFORE AND AFTER ORDERS
• COMPETITIVE PRICE
• IN TIME LEADING
• KINDS OF MATERIAL AND KINDS OF SURFACE

Product Details

Description

A bugle head screw with spaced threds.extra sharp point and surface finished

Applications/Advantages

Designed specifically for joining pieces of pressure treated lumber.Provides corrosion reistance superior to phosphate ocated drywall screws without disoloring the wood.The square driver recess is preferred by some for its excellent torque transmission and resistance to cam-out problems.

Material

AISI 1022 or equivalent steel

HEAT TREATMENT

Screws shall be quenched in liquid and then tempered by reheating to 650 °F minimum.

Core Hardness

HV 240-450

SURFACE Hardness

HV 500 minimum

Depth of the hardness

#6:0.05 – 0.18mm

#7 thru #10:0.10 – 0.23mm

Plating