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Pan Head Machine Screw: 18-8 Stainless Steel, Spanner, 4-40 Thread Size, 3/8 in Shank Lg, 50 PK

Item # 107W958

$20.19 Pack of 50

Product Specs

Material: 18-8 Stainless Steel
Drive: Spanner
Thread Size: 4-40
Shank Length: 3⁄8 in
Pack Qty: 50
System of Measurement: Imperial
Head Style: Pan
Specifications Met: ASME B18.6.3; ANSI B18.6.3
Drive Size: No. 4
Head Diameter: 0.219 in
Head Height: 0.068 in
Minimum Recommended Hole Size: 0.96 in
Minimum Tensile Strength: 100,000 psi
Pack Unit: PK
REACH Compliant: Yes
Removable: Yes
Resistance Properties: Tamper Resistant
RoHS Compliant: Yes
Rockwell Hardness: C33
Screw Size: No. 4
Thread: Fully Threaded
Thread Direction: Right Hand
Thread Fit: 2A
Thread Type: UNC

Compliance and Restrictions

Country Of Origin

  • USA

About This Product

These Pan Head Machine Screws are constructed of 18-8 stainless steel, which provides corrosion resistance, includes grades 302 and 304 stainless steel, is the most common choice for stainless steel, and may be mildly magnetic. They have a spanner drive, which uses two round holes to prevent tampering. They also have a 4-40 thread size and a 3/8 in shank length. They have a pan head, which is often used to replace screws with round, binding, or truss heads. They meet the following specifications: ANSI B18.6.3 and ASME B18.6.3. They have a No. 4 drive size. Pack of 50.

About Machine Screws

The standard metal-to-metal fastener, machine screws install with a driver into a threaded hole or are inserted into a through-hole and fastened with a nut.

Often used to replace screws with round, binding, or truss heads, pan heads have a low round head with slightly domed top.