Brass Knurled Head Thumb Screw Machine Screws 1/4"-20 QTY 25
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Product Details
Body Diameter: (1/4") Max 0.2489 - Min 0.2408 (Class 2A Fit, ANSI B1.1) Thread Pitch: 20 Per Inch Thread Direction: Right Hand Head Diameter: Max 23/32" Head Height: 1/2" Hardness: 40-75 Rockwell B