(1500 pcs) 1/4'-20 X 1/2', 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): 1/4' Thread Pitch: 20 Diameter (Dimension): 0.250' Length (Nominal): 1/2' Thread Length (Nominal): 0.500' Outside Diameter (Minimum): 0.495' Outside Diameter (Maximum): 0.515' Thickness (Nominal): 0.045' Drive Recess Size: #3 Drive Recess Width: 0.274' Drive Recess Depth (Minimum): 0.118' Drive Recess Depth (Maximum): 0.144' Head Diameter (Minimum): 0.473' Head Diameter (Maximum): 0.492' Head Height, Overall (Minimum): 0.162' Head Height, Overall (Maximum): 0.175' Head Radius: 0.035'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
- Head Type : Pan
- Screw Head Style : Pan
- Thread Size : 1/4'-20
- Thread Style : Right Hand
Item details
- ASIN : B07ZBNRKVQ
- Brand : ASPEN FASTENERS
- Item Weight : 18.6 Pounds
- Manufacturer : Aspen Fasteners
- Model : ST112-1420X12-001500
- Number Of Items : 1
- Part Number : ST112-1420X12-001500
- UPC : 692559745626
- Unit Count : 1500.0 Count
Materials & Care
- Exterior Finish : Plain
- Material Type : Stainless Steel
Measurements
- Item Dimensions : 0.5 x 0.25 x 0.5 inches
- Item Weight : 18.6 Pounds
- Size Name : 1/4'-20 X 1/2'
- Thread Coverage : Fully Threaded
- Thread Size : 1/4'-20