(1250 pcs) #4-40 X 3/8', Square Cone SEMS Washer Machine Screws, Pan Phillips Drive, Stainless Steel, Washer Material 410 Stainless Steel

Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut. SEMS screws come pre-assembled with permanently installed free-spinning lock washer. 18-8 stainless steel is functionally interchangeable with type 304 stainless steel. Stainless steel significantly improves resistance to tarnishing or corrosion.DIMENSIONAL ATTRIBUTES Diameter (Nominal): #4 Thread Pitch: 40 Diameter (Dimension): 0.112' Length (Nominal): 3/8' Thread Length (Nominal): 0.375' Outside Diameter (Minimum): 0.244' Outside Diameter (Maximum): 0.250' Thickness (Nominal): 0.015' Drive Recess Size: #1 Drive Recess Width: 0.115' Drive Recess Depth (Minimum): 0.053' Drive Recess Depth (Maximum): 0.071' Head Diameter (Minimum): 0.205' Head Diameter (Maximum): 0.219' Head Height, Overall (Minimum): 0.070' Head Height, Overall (Maximum): 0.080' Head Radius: 0.010'PRODUCT ATTRIBUTES Category: Machine Screws System of Measurement: Inch Brand: Aspen Fasteners Form and Design: SEMS Screws Pre-Assembled with a Captive Lock Washer Head Style: Pan Head Head Style Detail: Free-Spinning 410 Stainless Steel Square Cone Lock Washer Drive Style: Cruciform Recess Drive Drive Detail: Phillips Type H Thread Length: Full Thread Thread Direction: Right-Hand Thread Material: Stainless Steel Material Grade: 18-8 Stainless Steel Coating: Uncoated Origin: Origin Undefined Standards and Specifications: ASME B18.13

Features & Specs

• Drive System : Phillips
• Grade Rating : 18-8 Stainless Steel
• Screw Head Style : Pan
• Thread Size : #4-40
• Thread Style : Right Hand

Item details

• ASIN : B07S492VKK
• Brand : ASPEN FASTENERS
• Item Weight : 2.15 Pounds
• Manufacturer : Aspen Fasteners
• Model : ST112-440X38-001250
• Number Of Items : 1
• Part Number : ST112-440X38-001250
• UPC : 698435644342
• Unit Count : 1250.0 Count

Materials & Care

• Exterior Finish : Plain
• Material Type : Stainless Steel

Measurements

• Item Dimensions : 0.38 x 0.11 x 0.38 inches
• Item Weight : 2.15 Pounds
• Size Name : #4-40 X 3/8'
• Thread Coverage : Fully Threaded
• Thread Size : #4-40