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// TECHNICAL RESOURCES

NAS8100 and NAS8101 A286 pan-head screws.

Find selected stocked A286 pan-head screws with ribbed cruciform recesses, compare 4-40 and 6-32 threads, and request a quote.

// PART IDENTIFICATION

A286 material and ribbed cruciform recess

NAS8100 and NAS8101 identify pan-head screws within an A286 corrosion-resistant steel family. The selected NAS8100 entries use 4-40 UNJC-3A threads; NAS8101U8 uses 6-32 UNJC-3A.

// STOCKED SELECTION

Stocked NAS8100 part numbers

Selected stocked part numbers and identification references. Dimensions are in inches; nominal values and limits are identified in the column headings.

NAS8100 stocked A286 pan-head screw references
Part numberThread referenceNominal under-head length (in)Material / finishStock statusRequest pricing
NAS8100U84-40 UNJC-3A1/2Passivated A286; nonlockingStocked itemQuote NAS8100U8 →
NAS8100U124-40 UNJC-3A3/4Passivated A286; nonlockingStocked itemQuote NAS8100U12 →
NAS8100U64-40 UNJC-3A3/8Passivated A286; nonlockingStocked itemQuote NAS8100U6 →
NAS8100-64-40 UNJC-3A3/8Cadmium-plated A286; nonlockingStocked itemQuote NAS8100-6 →

Stocked items are subject to prior sale. Request a quote to confirm current availability and lead time.

// STOCKED SELECTION

Stocked NAS8101 part number

Selected stocked part numbers and identification references. Dimensions are in inches; nominal values and limits are identified in the column headings.

NAS8101 stocked A286 pan-head screw reference
Part numberThread referenceNominal under-head length (in)Material / finishStock statusRequest pricing
NAS8101U86-32 UNJC-3A1/2Passivated A286; nonlockingStocked itemQuote NAS8101U8 →

Stocked items are subject to prior sale. Request a quote to confirm current availability and lead time.

// FINISH IDENTIFICATION

Finish and locking codes serve different purposes

U identifies the cleaned and passivated finish in these selected entries. The hyphen in NAS8100-6 identifies the cadmium-plated configuration. The listed selections are nonlocking.

NAS8100U6 and NAS8100-6 share a 4-40 thread and 3/8-inch nominal under-head length, with different finishes.

// SOURCE WITH WEBSON

Measure beneath the pan head

Nominal screw length runs from the bearing surface beneath the head to the tip. Include the exact thread, finish, recess, quantity and documentation requirements with your inquiry.

// BUYER CHECKLIST

Prepare the requirement for quotation

// SOURCE WITH WEBSON

Have a part number or bill of material?

Send the complete designation, quantity, required delivery date and documentation requirements. Webson will review your requirement for quotation.