Specification:
Type:#14 X 1inch Hex Washer Head Self Drilling Screws.
Head: Hex Washer.
Thread Diameter:#14(6.3mm).
Screw Length:25mm/1Inch.
Head Diameter:13mm/0.51Inch.
Hex diameter:9.5mm/0.37Inch.
Height of the Head:5.5mm/0.21Inch.
Applicable sleeve:10mm/0.39Inch.
Drillable iron plate thickness:2.5mm~5.3mm.

Wide range of applications:
The self-drilling screw is mainly used for fixing the iron or aluminum gutter cover system,caigang watts for roof and can also be used for fixing the thin steel plate of simple construction.
The screws are ideal for your home,office,or industr ial workplace.
Suitable for both indoor and outdoor applications.

Note:
1.When the self-drilling screw is used on the gutter cover system,or caigang watts for roof ,if waterproofing is required,a self-drilling self-tapping screw with a plastic washer is required.The plastic washer has a sealing effect.
2.It cannot be used for metal-to-metal bonding and fixation,mainly due to insufficient strength.

Warm tips:
Please allow 1~2 mm error due to manual measurement.Thanks for your understanding.