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1/4-20 Square Drive Flat Head 82° Machine Screws 18-8 Stainless Steel

1/4-20 Square Drive Flat Head 82° Machine Screws 18-8 Stainless Steel

SKU: FN-SCR-MS-1420-SS18-CS-FT-SQ-82· 4 lengths

Bulk-Only Item

Minimum order quantity: 250 pieces per pack. Ships 7 business days after your cart reaches the $500 bulk minimum — bulk-only and regularly-stocked items both count. Learn more →

$14.91/ 250 pcs

$0.06/ea

pack

1 pack × 250 = 250 pieces

In Stock
FN-SCR-MS-1420-0.75-SS18-CS-FT-SQ-82-PL
Free US shipping 30-day returns Ships ~7 business days

1/4-20 square drive (Robertson) flat head machine screws in 18-8 stainless steel to ASME B18.6.3. Uniform coarse machine thread for tapped holes or a nut, with an 82° countersunk flat head that sits flush; the square recess resists cam-out. Threaded to the head, corrosion-resistant 18-8 (A2-70) stainless for general assembly. 4 lengths (3/4" to 1-1/2"). Sold in production-volume bulk packs.

Material

Stainless Steel

Finish

Plain / Natural

Grade

18-8 (A2-70)

Size

1/4-20

Drive Type

Square

Head Style

Flat / Countersunk

Standard

ASME B18.6.3

Guides: What does 1/4-20 mean? · 18-8 stainless steel vs. other grades

Technical Specifications

Head StyleFlat, 82° countersunk
Countersink Angle82 deg
Head Diameter0.507 in
Head Height0.148 in
Drive#3 Square
Thread1/4-20 Coarse
Threads per Inch20
Thread CoverageFull Thread
Material18-8 Stainless Steel
Grade18-8 (A2-70)
StandardASME B18.6.3

Order any length — 4 in this family

Type the packs you need and press Add; sort any column.

Head StyleHead Dia.Head Ht.DrivePacks
18-8 Stainless Steel
1/4-20Square Drive Flat Head 82° Machine Screws 18-8 Stainless Steel
3/4"Flat / Countersunk0.507 in0.148 inSquare250FN-SCR-MS-1420-0.75-SS18-CS-FT-SQ-82-PL$14.91$0.06/eapack of 250 · $0.06 ea
1"Flat / Countersunk0.507 in0.148 inSquare250FN-SCR-MS-1420-1-SS18-CS-FT-SQ-82-PL$33.22$0.13/eapack of 250 · $0.13 ea
1-1/4"Flat / Countersunk0.507 in0.148 inSquare700FN-SCR-MS-1420-1.25-SS18-CS-FT-SQ-82-PL$84.15$0.12/eapack of 700 · $0.12 ea
1-1/2"Flat / Countersunk0.507 in0.148 inSquare100FN-SCR-MS-1420-1.5-SS18-CS-FT-SQ-82-PL$19.77$0.20/eapack of 100 · $0.20 ea