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1/4-20 Stainless Steel Phillips Flat Head Machine Screws

  • 18-8 Stainless Steel Includes 303 & 304 Grades
  • 1/4"-20 #14 Right Hand Thread, UNC 
  • Fully Threaded
  • Rust and Corrosion Resistant
  • Flat Head Machine Screws Are Designed To Sit Flush Once Installed 
  • Standards: ANSI B18.6.3
  • Please View Matching Nuts & Washers Below.


Item # Image Description Price
FHMSX1/420X.38BAG25
1/4-20 x 3/8
1/4-20 x 3/8" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 25.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$5.00

FHMSX1/420X.50BAG25
1/4-20 x 1/2
1/4-20 x 1/2" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 25.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$5.00

FHMSX1/420X.63BAG25
1/4-20 x 5/8
1/4-20 x 5/8" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 25.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$5.00

FHMSX1/420X.75BAG25
1/4-20 x 3/4
1/4-20 x 3/4" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 25.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$5.50

FHMSX1/420X10BAG25
1/4-20 x 1
1/4-20 x 1" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 25.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$5.50

FHMSX1/420X12BAG25
1/4-20 x 1-1/4
1/4-20 x 1-1/4" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 25.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$6.25

FHMSX1/420X15BAG25
1/4-20 x 1-1/2
1/4-20 x 1-1/2" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 25.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$6.75

FHMSX1/420X17BAG25
1/4-20 x 1-3/4
1/4-20 x 1-3/4" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 25.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$7.00

FHMSX1/420X20BAG25
1/4-20 x 2
1/4-20 x 2" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 25.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$7.75

FHMSX1/420X22BAG25
1/4-20 x 2-1/4
1/4-20 x 2-1/4" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 25.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$8.50

FHMSX1/420X25BAG25
1/4-20 x 2-1/2
1/4-20 x 2-1/2" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 25.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$10.00

FHMSX1/420X275BAG25
1/4-20 x 2-3/4
1/4-20 x 2-3/4" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 25.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$12.50

FHMSX1/420X30BAG25
1/4-20 x 3
1/4-20 x 3" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 25.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$14.75

FHMSX1/420X35BAG10
1/4-20 x 3-1/2
1/4-20 x 3-1/2" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 10.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$8.75

FHMSX1/420X40BAG10
1/4-20 x 4
1/4-20 x 4" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 10.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$10.00

FHMSX1/420X45BAG10
1/4-20 x 4-1/2
1/4-20 x 4-1/2" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 10.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$12.50

FHMSX1/420X50BAG10
1/4-20 x 5
1/4-20 x 5" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 10.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$14.50

FHMSX1/420X60BAG10
1/4-20 x 6
1/4-20 x 6" Phillips Flat Head Machine Screws Stainless Steel
  • SOLD BY BAG OF 10.
  • 18-8 / 304 Stainless Steel
  • Diameter - Thread Pitch: 1/4"-20
  • Fully Threaded
  • Phillips Drive Head #3
  • Contact Our Sales Department For Buld Pricing!
Special Pricing Available
$16.50

NHS1/4-20BAG
1/4-20 Finish Hex Nuts 18-8 / 304 Stainless Steel
1/4-20 Finish Hex Nuts 18-8 / 304 Stainless Steel
  • SOLD IN BOXES OF 100.
  • 1/4"-20 Coarse Thread Hex Nut,
  • 7/16" Flats-Wrench Size, 7/32" Thickness.
  • Made From 18-8 / 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$4.50

NILS1/4-20BAG
1/4-20 Nylon Insert Hex Lock Nuts 18-8 Stainless Steel
1/4-20 Nylon Insert Hex Lock Nuts 18-8 Stainless Steel
  • SOLD IN BOXES OF 100.
  • 1/4"-20 Thread Nyloc Lock Nut
  • 7/16" Wrench Size.
  • Made From 18-8 / 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$7.75

NHCOUP1/4-20
1/4-20 Coupling Extention Nuts 18-8 / 304 Stainless Steel
1/4-20 Coupling Extention Nuts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Made From 18-8 / 304 Stainless Steel.
  • 3/8" Wrench Size
  • Length: 7/8"
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$1.00

SKT14
1/4-20 Toggle Bolt Stainless Steel
1/4-20 Toggle Bolt Stainless Steel
    1. SOLD BY THE PIECE.
    2. FOR 1/4-20 Diameter Fasteners
    3. 304 Stainless Steel
    4. SNAPTOGGLE Heavy-Duty Toggle Bolts
    5. Toggle Bolts in Stainless Steel are excellent for blind fastening in many applications.
    6. Contact our sales department for additonal information and bulk pricing.
$3.25

NKLOCK1/420BAG
1/4-20 Hex Kep K-Lock Nuts 18-8 / 304 Stainless Steel Keps
1/4-20 Hex Kep K-Lock Nuts 18-8 / 304 Stainless Steel Keps
  • SOLD IN BOXES OF 100.
  • 7/16" Wrench Size.
  • 18-8 / 304 Grade Stainless Steel
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$9.00

NHFLG1/4-20BAG
1/4-20 Hex Serrated Flange Nuts 18-8 / 304 Stainless Steel
1/4-20 Hex Serrated Flange Nuts 18-8 / 304 Stainless Steel
  • SOLD IN BOXES OF 100
  • 18-8 / 304 Grade Stainless Steel.
  • Max Width Across Flats = .438
  • Contact Our Sales Department For Bulk Pricing.
$10.00

NJS1/4-20BAG
1/4-20 Thin Hex Jam Nuts 18-8 / 304 Stainless Steel
1/4-20 Thin Hex Jam Nuts 18-8 / 304 Stainless Steel
  • SOLD IN BOXES OF 100.
  • 7/16" Wrench Size
  • Thickness: 5/32"
  • Contact Our Sales Department For Bulk Pricing
$5.00

NILST1/4-20BAG
1/4-20 THIN Nylon Insert Hex Jam Lock Nuts 18-8 / 304 Stainless Steel
1/4-20 THIN Nylon Insert Hex Jam Lock Nuts 18-8 / 304 Stainless Steel
  • SOLD BY THE BOX OF 100.
  • Flats 0.439" Height 0.218"
  • 18-8 / 304 Grade Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$6.25

WFS1/4BAG
1/4
1/4" Flat Washers 18-8 / 304 Stainless Steel
  • SOLD IN BOXES OF 100.
  • 1/4" Standard Commercial Pattern Round Flat Washers.
  • Made From 18-8 / 304 Stainless Steel 
  • ID 0.281" OD 5/8" Thickness 0.050" 
  • CONTACT OUR SALES DEPARTMENT FOR BULK PRICING.
Special Pricing Available
$5.00

WLS1/4BAG
1/4
1/4" Split Ring Lock Washers 18-8 / 304 Stainless Steel
  • SOLD IN BOXES OF 100.
  • Medium Profile Split Ring Lock Washers.
  • Made From 18-8 / 304 Stainless Steel.
  • ID 0.252" OD 0.487" Thickness 0.062"
  • CONTACT OUR SALES DEPARTMENT FOR BULK PRICING.
Special Pricing Available
$3.75

WFDSHD1/4X100
1/4
1/4" x 1" Fender Washers HEAVY DUTY 1/16 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: .062 (1/16")
$0.80

WFIS14BAG
1/4
1/4" Cup Finishing Washers 18-8 / 304 Stainless Steel
  • SOLD IN BOXES OF 100
  • 18-8 / 304 Stainless Steel For Corrosion Resistance
  • ID: .316"
  • OD: .791"
  • Thickness: .157"
Special Pricing Available
$6.50

WINLW1/4BAG
1/4
1/4" Internal Tooth Lock Washers 410 Stainless Steel
  • SOLD IN BOXES OF 100.
  • 410 Grade Stainless Steel.
  • Serrated INTERNAL Tooth Star Washers. 
  • Please Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$4.50

WEXLW1/4BAG
1/4
1/4" External Tooth Lock Washers 410 Stainless Steel
  • SOLD IN BOXES OF 100.
  • 410 Grade Stainless Steel.
  • Serrated EXTERNAL Tooth Star Washers. 
  • Please Contact Our Sales Department For Bulk Pricing.
$4.00

WAN1/4-416BAG
1/4
1/4" AN Flat Washers 900 Series 18-8 / 304 Stainless Steel
  • SOLD BY THE BOX OF 100.
  • 18-8 / 304 Stainless Steel
  • ID: .265
  • OD: .500
  • Thickness: 1/16"
  • AN960C416
Special Pricing Available
$5.00

WSAE1/4-810BAG
1/4
1/4" SAE Flat Washers 18-8 / 304 Stainless Steel
  • SOLD BY THE BOX OF 100
  • 18-8 / 304 Stainless Steel
  • ID: .281
  • OD:  .625
  • Thickness: .051 - .080
  • SAE 15795-810
Special Pricing Available
$4.50

QUAL 250PB3
#3 x 1 PHILLIPS DRIVE - INSERT BIT - 1/4 HEX DRIVE
#3 x 1 PHILLIPS DRIVE - INSERT BIT - 1/4 HEX DRIVE
  • SOLD BY THE PIECE.
  • #3 Phillips
  • 1" Long
  • Standard Style
  • Contact our sales department for bulk pricing..
    		•
    $1.15

    QUAL 30-3P
    #3 x 2 PHILLIPS DRIVE - POWER BIT - 1/4 HEX DRIVE
    #3 x 2 PHILLIPS DRIVE - POWER BIT - 1/4 HEX DRIVE
  • SOLD BY THE PIECE.
  • #3 Phillips
  • 2" Long
  • Standard Style
  • Contact our sales department for bulk pricing..
    		•
    $1.85

    QUAL 32-3P
    #3 x 2 3/4 PHILLIPS DRIVE - POWER BIT - 1/4 HEX DRIVE
    #3 x 2 3/4 PHILLIPS DRIVE - POWER BIT - 1/4 HEX DRIVE
  • SOLD BY THE PIECE.
  • #3 Phillips
  • 2 3/4" Long
  • Standard Style
  • Contact our sales department for bulk pricing.
    		•
    $1.95

    QUAL 36-3P
    #3 x 6 PHILLIPS DRIVE - POWER BIT - 1/4 HEX DRIVE
    #3 x 6 PHILLIPS DRIVE - POWER BIT - 1/4 HEX DRIVE
  • SOLD BY THE PIECE.
  • #3 Phillips
  • 6" Long
  • Standard Style
  • Contact our sales department for bulk pricing.
    		•
    $3.75

    PFHMSASST
    Phillips Flat Head Machine Screws and Nuts Assortment Kit Set 18-8 Stainless Steel
    Phillips Flat Head Machine Screws and Nuts Assortment Kit Set 18-8 Stainless Steel
    • Phillips Flat Head Machine Screw and Nut Assortment.
    • 495 Piece Assortment Kit Set In Clear Plastic Box.
    • 18-8 / 304 Stainless Steel.
    • Includes Sizes 4-40, 6-32, 8-32, 10-24, 10-32, 1/4-20 
    • View Extended Info For Quantity.

     
    $34.00

    NHSCAP1/4-20BAG25
    1/4-20 Hex Acorn Cap Nuts 18-8 / 304 Stainless Steel
    1/4-20 Hex Acorn Cap Nuts 18-8 / 304 Stainless Steel
    • SOLD BY BAG OF 25.
    • 7/16" Wrench Size.
    • 15/32" Height Overall.
    • Made From 18-8 / 304 Stainless Steel.
    • Contact Our Sales Department For Bulk Pricing.
    Special Pricing Available
    $7.75

    NWING1/4-20BAG25
    1/4-20 Wing Nuts 18-8 / 304 Stainless Steel
    1/4-20 Wing Nuts 18-8 / 304 Stainless Steel
    • SOLD BY BAG OF 25.
    • 18-8 / 304 Stainless Steel.
    • Wing Nut Span = 1.10 "
    • Contact Our Sales Department For Bulk Pricing.
    Special Pricing Available
    $5.75

    NTEENUT1/4X.38BAG10
    1/4-20 x 3/8 T-Nuts 4 Prong 18-8 / 304 Stainless Steel Tee Nut
    1/4-20 x 3/8 T-Nuts 4 Prong 18-8 / 304 Stainless Steel Tee Nut
    • SOLD BY BAG OF 10..
    • 3/8" Barrel Length
    • 4 Prongs
    • Made From 18-8 / 304 Grade Stainless Steel.
    Special Pricing Available
    $7.50

    NTEENUT1/4X7/16BAG10
    1/4-20 x 7/16 T-Nuts 4 Prong 18-8 / 304 Stainless Steel Tee Nut
    1/4-20 x 7/16 T-Nuts 4 Prong 18-8 / 304 Stainless Steel Tee Nut
    • SOLD BY BAG OF 10..
    • 7/16" Barrel Length
    • 4 Prongs
    • Made From 18-8 / 304 Grade Stainless Steel.
    Special Pricing Available
    $7.50

    NHHS1/4-20BAG25
    1/4-20 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
    1/4-20 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
    • SOLD BY BAG OF 25.
    • Extra Thick Hex Finish Nuts
    • Flats 1/2" Height 15/64"
    • Made From 18-8 / 304 Stainless Steel.
    • Contact Our Sales Department For Bulk Pricing.
    Special Pricing Available
    $7.50

    NILSDOM1/4-20BAG25
    1/4-20 Lock Nuts Purple Insert - Waxed 18-8 / 304 Stainless Steel
    1/4-20 Lock Nuts Purple Insert - Waxed 18-8 / 304 Stainless Steel
    • SOLD BY BAG OF 25.
    • 18-8 / 304 Grade Stainlesss Steel
    • Waxed Lock Nut to Prevent Galling
    • 7/16" Wrench Size
    • Contact Our Sales Department for Bulk and Wholesale Pricing
    Special Pricing Available
    $5.25

    WFDS1/4X100BAG
    1/4
    1/4" x 1" Fender Washers 18-8 / 304 Stainless Steel
    • SOLD IN BOXES OF 100.
    • Large OD Flat Fender Washers
    • Made From 18-8 / 304 Stainless Steel
    • Thickness: .050
    • CONTACT OUR SALES DEPARTMENT FOR BULK PRICING.
    Special Pricing Available
    $10.50

    WFDS1/4X125BAG
    1/4
    1/4" x 1-1/4" Fender Washers 18-8 / 304 Stainless Steel
    • SOLD IN BOXES OF 100.
    • Large OD Flat Fender Washers
    • Made From 18-8 / 304 Stainless Steel
    • Thickness: .050
    • CONTACT OUR SALES DEPARTMENT FOR BULK PRICING.
    Special Pricing Available
    $11.50

    WFDS1/4X150BAG25
    1/4
    1/4" x 1-1/2" Fender Washers 18-8 / 304 Stainless Steel
    • SOLD BY BAG OF 25.
    • Large OD Flat Fender Washers
    • Made From 18-8 / 304 Stainless Steel
    • Thickness: .050
    • CONTACT OUR SALES DEPARTMENT FOR BULK PRICING.
    Special Pricing Available
    $7.25

    WFSL1/4BAG
    1/4
    1/4" x 11/16" Large OD Flat Washer 18-8 / 304 Stainless Steel
    • SOLD IN BOXES OF 100.
    • Made From 18-8 / 304 Stainless Steel.
    • 11/16" OD.
    • CONTACT OUR SALES DEPARTMENT FOR BULK PRICING.
    Special Pricing Available
    $6.00

    WNPW14BAG25
    1/4
    1/4" Neoprene Bonded Sealing Washers 18-8 / 304 Stainless Steel
    • SOLD BY BAG OF 25.
    • 18-8 / 304 Stainless Steel.
    • Neoprene Backed EPDM Rubber Seal Washer
    • OD: .590"
    • Please Contact Our Sales Department For Bulk Pricing.
    Special Pricing Available
    $5.50