Product Description
- Socket cap screws are precision fasteners often used in machine parts, die fixturing and clamping.
- Flat countersunk head screws sit flush with the surface of the material they are inserted into.
- An internal hex socket drive is also known as an Allen drive.
- Type 316 stainless steel is considered "marine grade".
- Stainless steel significantly improves resistance to tarnishing or corrosion.
- Diameter (Nominal): #4
- Thread Pitch: 40
- Length (Nominal): 3/8"
- Category: Socket Head Cap Screws
- System of Measurement: Inch
- Brand: Aspen Fasteners
- Head Style: Flat Countersunk Head
- Head Style Detail: 82 Degree Countersink
- Drive Style: Hex Socket Drive
- Thread Direction: Right-Hand Thread
- Material: Stainless Steel
- Material Grade: AISI 316 Stainless Steel
- Coating: Uncoated
Product Videos
Custom Field
Coating Uncoated
Brand Aspen Fasteners
Thread Direction Right-Hand Thread
Material Stainless Steel
Head Style Detail 82 Degree Countersink
Thread Pitch 40
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/ST307-440X38
Length (Nominal) 3/8"
POS ST307-440X38-000150
Head Style Flat Countersunk Head
Category Socket Head Cap Screws
Diameter (Nominal) #4
Product Class Externally Threaded Fasteners
Order Machine Thread Fasteners
System of Measurement Inch
Drive Style Hex Socket Drive
Material Grade AISI 316 Stainless Steel
