#10-24 Phillips Pan Head SEMS Screws with Internal Tooth Lock Washers - Zinc Plated Steel

#10-24 Phillips Pan Head SEMS Screws

Machine Screws with Pre-Assembled Internal Tooth Lock Washers


  • Machine screws with pre-assembled lock washers
  • Features a free-spinning internal tooth lock washer beneath the head
  • Internal tooth lock washer provides a clean, finished look and prevents snags
  • Single part design saves time and hassle
  • Excellent solution for bulk projects of production lines
  • Zinc plated steel

#10-24 Phillips Pan Head SEMS with Internal Tooth Lock Washers are essentially a pre-assembled machine screws with lock washers (similar to a Keps Nut). The lock washer is beneath the head of the screw and is free-spinning. This pre-assembly saves time and hassle on production lines and in any application where a machine screw with lock washer may be necessary, since they do not need to be put together, and there is no need to worry about losing a screw or washer. Internal tooth lock washers are often used over external for their finished edge that hides the locking teeth for a finished look, or snag prevention for close parts. Because of the integrated lock washer, SEMS screws are often referred to as lock screws, or locking screws.

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Product Specifications
ASME
B 1.1
Class
2A
Diameter
#10
Drive Style
Phillips
Finish
Zinc Plated
Grade
Screw: AISI 1022
Washer: SAE 1050-1065
Hardness
Screw: Rockwell B70 - B100
Washer: Rockwell C40 - 50
Head Diameter
Max 0.373 - Min 0.357
Head Height
Max 0.133 - Min 0.122
Head Style
Pan
Material
Steel
Phillips Drive
#2
Product Type
SEMS Machine Screw
Standards Met
ASME B1.1, ASME B18.13, ASME B18.6.3
System of Measurement (Unit)
Inch
Thread Diameter Major
#10 (Max 0.1890 - Min 0.1818)
Thread Diameter Minor
#10 (Max 0.1619 - Min 0.1586)
Thread Direction
Right Hand
Thread Pitch (Count)
24 Per Inch
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Washer OD
(Max 0.383 - Min 0.372)
Washer Thickness
(Max 0.024 - Min 0.018)