คุณลักษณะ

• Countersunk head tapping screw with cross recessed hole.
• Counterpart members must be counterbored to prevent the specified bottom hole and head from appearing.
• Made of stainless steel with excellent corrosion and heat resistance.
• Used when fastening to thin steel plates.
• Tighten the steel plate (thinner than the pitch of the screw) with the specified bottom hole while self-tapping.
• Cutting is done at the cut part of the screw, so chips will come out.
• Nuts are not required.
• It is used for fastening where there is trouble if the head is exposed.