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1/2-20 Fine Thread 18-8 / 304 Stainless Steel Socket Head Cap Screws.

  • 1/2"-20 Fine Threaded Socket Cap Screws have a Knurled Head and Is a Fastener Driven by a Socket Hex Allen Wrench.
  • They are also Known as a Fine Pitch Allen Head Bolts, Socket Screw, Allen Socket Cap Bolt or Allen Cap Machine Screw.
  • The Hexagonal Drive or Hex Key L Wrench Allows For Stronger Tightening Compared to Screws that use a Phillips or Flat Head Screw Driver That Sometimes Tend To Strip The Head Of The Screw.
  • Made of 18-8 / 304 Grade Stainless Steel, These are the Most Popular Socket Cap Allen Wrench Screws for Many Production Applications.
  • Right Hand Fine Thread, UNF
  • Please View Matching Nuts & Washers Below.


Item # Image Description Price
SHCSFP1/220X.75
1/2-20 x 3/4 SHCS FP 18-8
1/2-20 x 3/4 SHCS FP 18-8
Sold in Boxes of 10. Made from 18-8/304 Stainless Steel. Hex Key Size = 3/8"
$1.85

SHCSFP1/220X150
1/2-20 x 1 1/2 SHCS FP 18-8
1/2-20 x 1 1/2 SHCS FP 18-8
Sold in Boxes of 10. Made from 18-8/304 Stainless Steel. Hex Key Size = 3/8"
$2.15

SHCSFP1/220X200
1/2-20 x 2 SHCS FP 18-8
1/2-20 x 2 SHCS FP 18-8
Sold in Boxes of 10. Made from 18-8/304 Stainless Steel. Hex Key Size = 3/8"
$2.55

HEXKEY3/8
3/8 Allen Hex Key - Short Arm
3/8 Allen Hex Key - Short Arm
FOR 7/16" & 1/2" DIAMETER SOCKET HEAD CAP SCREWS. SOLD BY THE PIECE
$1.00

WFS1/2BAG25
1/2
1/2" Flat Washers 18-8 / 304 Stainless Steel
  • SOLD BY THE BAG OF 25
  • 1/2" Standard Commercial Pattern Round Flat Washers.
  • Made From 18-8 / 304 Stainless Steel
  • ID 0.531" OD 1-1/4" Thickness 0.062"
  • CONTACT OUR SALES DEPARTMENT FOR BULK PRICING. 
Special Pricing Available
$5.75

WFDS1/2X200
1/2
1/2" x 2" Fender Washers 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Large OD Flat Fender Washers
  • Made From 18-8 / 304 Stainless Steel
  • Thickness: .062
  • CONTACT OUR SALES DEPARTMENT FOR BULK PRICING.
Special Pricing Available
$0.45

WFDSHD1/2X200
1/2
1/2" x 2" Fender Washers HEAVY DUTY 1/8 Thick 18-8 Stainless Steel
  • SOLD BY THE PIECE
  • These Fender Washers Are Thicker Then The Standards.
  • Made From 18-8 / 304 Stainless Steel.
  • Thickness: .125 (1/8")
$0.95

WNPW1/2
1/2
1/2" Neoprene Bonded Sealing Washers 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • 18-8 / 304 Stainless Steel.
  • Neoprene Backed EPDM Rubber Seal Washer
  • OD: 1.00"
  • Please Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$0.40

NFHS1/2-20
1/2-20 Hexagon Nuts - FINE PITCH - 18-8 Stainless
1/2-20 Hexagon Nuts - FINE PITCH - 18-8 Stainless
  1. SOLD by the piece
  2. 3/4" WRENCH SIZE.
  3. MADE FROM 18-8 STAINLESS STEEL.
  4. Fine Pitch Thread
  5. Thickness: 7/16"
  6. CONTACT OUR SALES DEPARTMENT FOR BULK PRICING.
$0.25

NFILS1/2-20
1/2-20 Nylon Insert Lock Nut Fine Pitch 18-8 Stainless Steel
1/2-20 Nylon Insert Lock Nut Fine Pitch 18-8 Stainless Steel
  1. SOLD by the piece
  2. 3/4" WRENCH SIZE.
  3. MADE FROM 18-8 STAINLESS STEEL.
  4. Fine Pitch Thread
  5. Thickness: 7/32"
  6. CONTACT OUR SALES DEPARTMENT FOR BULK PRICING.
$0.40

NFCAP1/2-20
1/2-20 Acorn Cap Nuts Fine Pitch 18-8 Stainless Steel
1/2-20 Acorn Cap Nuts Fine Pitch 18-8 Stainless Steel
  • Sold by the piece.
  • 18-8 Stainless Steel
  • 3/4" Wrench Size
  • HEIGHT: 13/16"
  • Hex nut with a closed end
  • Low Crown
  • Used for a decorative look
  • Contact our sales department for bulk pricing
    		•
    $2.25

    NFJS1/2-20
    1/2-20 Hex Jam Nut Fine Thread 18-8 Stainless Steel
    1/2-20 Hex Jam Nut Fine Thread 18-8 Stainless Steel
    1. SOLD by the piece
    2. 3/4" Wrench Size
    3. THICKNESS: 5/16"
    4. CONTACT OUR SALES DEPARTMENT FOR BULK PRICING.
    $0.35

    NFILST1/2-20
    1/2-20 THIN Nylon Insert Lock Nut Fine Pitch 18-8 Stainless
    1/2-20 THIN Nylon Insert Lock Nut Fine Pitch 18-8 Stainless
    1. SOLD BY THE PIECE
    2. 3/4" Wrench Size
    3. 18-8 Stainless
    4. CONTACT OUR SALES DEPARTMENT FOR ADDITIONAL INFORMATION.
    $0.65

    WLS1/2BAG25
    1/2
    1/2" Split Lock Washers 18-8 / 304 Stainless Steel
    • SOLD BY BAG OF 25.
    • Medium Profile Split Ring Lock Washers.
    • Made From 18-8 / 304 Stainless Steel.
    • ID 0.502" OD 0.869" Thickness 0.125"
    • CONTACT OUR SALES DEPARTMENT FOR BULK PRICING.
    Special Pricing Available
    $5.50

    WFDS1/2X150BAG10
    1/2
    1/2" x 1-1/2" Fender Washers 18-8 / 304 Stainless Steel
    • SOLD BY BAG OF 10.
    • Large OD Flat Fender Washers
    • Made From 18-8 / 304 Stainless Steel
    • Thickness: .062
    • CONTACT OUR SALES DEPARTMENT FOR BULK PRICING.
    Special Pricing Available
    $3.50

    WFDS1/2X200BAG10
    1/2
    1/2" x 2" Fender Washers 18-8 / 304 Stainless Steel
    • SOLD BY BAG OF 10.
    • Large OD Flat Fender Washers
    • Made From 18-8 / 304 Stainless Steel
    • Thickness: .062
    • CONTACT OUR SALES DEPARTMENT FOR BULK PRICING.
    Special Pricing Available
    $4.75

    WINLW1/2BAG25
    1/2
    1/2" Internal Tooth Lock Washers 410 Stainless Steel
    • SOLD BY BAG OF 25.
    • 410 Grade Stainless Steel.
    • Serrated INTERNAL Tooth Star Washers. 
    • Please Contact Our Sales Department For Bulk Pricing.
    Special Pricing Available
    $8.25

    WEXLW1/2BAG25
    1/2
    1/2" External Tooth Lock Washers 410 Stainless Steel
    • SOLD BY BAG OF 25.
    • 410 Grade Stainless Steel.
    • Serrated EXTERNAL Tooth Star Washers. 
    • Please Contact Our Sales Department For Bulk Pricing.
    Special Pricing Available
    $6.25

    WAN1/2-816BAG25
    1/2
    1/2" AN Flat Washers 900 Series 18-8 / 304 Stainless Steel
    • SOLD BY THE BAG OF 25
    • 18-8 / 304 Stainless Steel
    • ID: .516
    • OD: .876
    • Thickness: 1/16"
    • AN960C816
    Special Pricing Available
    $4.50

    WSAE1/2-818BAG25
    1/2
    1/2" SAE Flat Washers 18-8 / 304 Stainless Steel
    • SOLD BY THE BAG OF 25
    • 18-8 / 304 Stainless Steel
    • ID: .531
    • OD:  1.062
    • Thickness: .074 - .121
    • SAE 15795-818
    Special Pricing Available
    $5.25