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5/8-11 Hex Head Cap Screws 18-8 / 304 Grade Stainless Steel

  • Stainless Steel Hex Bolts Have a Hexagonal Head Used With a Wrench or a Socket.
  • Hex Head Cap Bolts are a Primary Fastener Type For Many Thru-Bolting Applications.
  • As a General Hex Cap Screw Rule: Thread Length is: 2X The Diameter Plus 1/2".
  • For Fully Threaded Hex Bolts Please View Our FULL THREAD Tap Bolt Category.
  • Made of 18-8 / 304 Grade Stainless Steel Which is an Austenitic Grade of Stainless Steel.
  • 5/8"-11 Right Hand Coarse Thread, UNC
  • Please View Matching Nuts & Washers Below.  
  • CONTACT OUR SALES DEPARTMENT FOR BULK AND WHOLESALE PRICING.


Item # Image Description Price
BS5/8-11X100
5/8-11 x 1
5/8-11 x 1" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$1.25

BS5/8-11X125
5/8-11 x 1-1/4
5/8-11 x 1-1/4" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$1.85

BS5/8-11X150
5/8-11 x 1-1/2
5/8-11 x 1-1/2" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$1.75

BS5/8-11X175
5/8-11 x 1-3/4
5/8-11 x 1-3/4" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$1.70

BS5/8-11X200
5/8-11 x 2
5/8-11 x 2" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$2.00

BS5/8-11X225
5/8-11 x 2-1/4
5/8-11 x 2-1/4" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$2.20

BS5/8-11X250
5/8-11 x 2-1/2
5/8-11 x 2-1/2" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$1.75

BS5/8-11X275
5/8-11 x 2-3/4
5/8-11 x 2-3/4" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$2.50

BS5/8-11X300
5/8-11 x 3
5/8-11 x 3" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$2.60

BS5/8-11X325
5/8-11 x 3-1/4
5/8-11 x 3-1/4" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$2.75

BS5/8-11X350
5/8-11 x 3-1/2
5/8-11 x 3-1/2" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$3.25

BS5/8-11X400
5/8-11 x 4
5/8-11 x 4" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$3.25

BS5/8-11X450
5/8-11 x 4-1/2
5/8-11 x 4-1/2" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$3.70

BS5/8-11X500
5/8-11 x 5
5/8-11 x 5" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$3.75

BS5/8-11X550
5/8-11 x 5-1/2
5/8-11 x 5-1/2" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$4.75

BS5/8-11X600
5/8-11 x 6
5/8-11 x 6" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$5.00

BS5/8-11X65
5/8-11 x 6-1/2
5/8-11 x 6-1/2" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$5.50

BS5/8-11X700
5/8-11 x 7
5/8-11 x 7" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$4.75

BS5/8-11X750
5/8-11 x 7-1/2
5/8-11 x 7-1/2" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$5.75

BS5/8-11X800
5/8-11 x 8
5/8-11 x 8" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$6.75

BS5/8-11X900
5/8-11 x 9
5/8-11 x 9" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$6.95

BS5/8-11X10.00
5/8-11 x 10
5/8-11 x 10" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$6.50

BS5/8-11X15.00
5/8-11 x 15
5/8-11 x 15" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$10.50

BS5/8-11X16.00
5/8-11 x 16
5/8-11 x 16" Hex Head Cap Bolts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Hex Head Cap Screws.
  • 18-8 / 304 Grade Stainless Steel.
  • 15/16" Wrench Size, 25/64" Head Height.
  • Contact Our Sales Department For Bulk Pricing.
$16.25

WFS5/8BAG25
5/8
5/8" Flat Washers 18-8 / 304 Stainless Steel
  • SOLD BY THE BAG OF 25
  • 5/8" Standard Commercial Pattern Round Flat Washers.
  • Made From 18-8 / 304 Stainless Steel.
  • ID 0.687" OD 1-1/2" Thickness 0.078"
  • CONTACT OUR SALES DEPARTMENT FOR BULK PRICING. 
Special Pricing Available
$10.25

NHS5/8-11
5/8-11 Finish Hex Nuts 18-8 / 304 Stainless Steel
5/8-11 Finish Hex Nuts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • 5/8"-11 Coarse Thread Hex Nut,
  • 15/16" Flats-Wrench Size, 35/64" Thickness.
  • Made From 18-8 / 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing. 
$0.65

NILS5/8-11
5/8-11 Nylon Insert Hex Lock Nuts 18-8 Stainless Steel
5/8-11 Nylon Insert Hex Lock Nuts 18-8 Stainless Steel
  • SOLD BY THE PIECE.
  • 5/8-11 Thread Nyloc Lock Nut
  • 15/16" Wrench Size.
  • Made From 18-8 / 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$0.75

NHCOUP5/8-11
5/8-11 Coupling Extention Nuts 18-8 / 304 Stainless Steel
5/8-11 Coupling Extention Nuts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Made From 18-8 / 304 Stainless Steel.
  • 7/8" Wrench Size
  • Length: 1-3/4"
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$4.50

NWING5/8-11
5/8-11 Wing Nuts 18-8 / 304 Stainless Steel
5/8-11 Wing Nuts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • 18-8 / 304 Stainless Steel.
  • Wing Nut Span = 2.31"
  • Contact Our Sales Department For Bulk Pricing.
$4.25

NILST5/8-11
5/8-11 THIN Nylon Insert Hex Jam Lock Nuts 18-8 / 304 Stainless Steel
5/8-11 THIN Nylon Insert Hex Jam Lock Nuts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Flats 0.752 Height 0.328
  • 18-8 / 304 Grade Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
$2.35

NHHS5/8-11
5/8-11 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
5/8-11 Heavy Hex Finish Nuts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Extra Thick Hex Finish Nuts
  • Flats 1-1/16" Height 39/64"
  • Made From 18-8 / 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$1.15

NHJS5/8-11
5/8-11 Heavy Pattern Jam Nuts 18-8 / 304 Stainless Steel
5/8-11 Heavy Pattern Jam Nuts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • Extra Thick Jam Nuts
  • Flats 1-1/16" Height 23/64"
  • 18-8 / 304 Stainless Steel
  • Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$1.95

WINLW1"
1
1" Internal Tooth Lock Washers 410 Stainless Steel
  • SOLD BY THE PIECE.
  • 410 Grade Stainless Steel.
  • Serrated INTERNAL Tooth Star Washers. 
  • Please Contact Our Sales Department For Bulk Pricing.
$1.50

WINLW1-1/8
1
1" Internal Tooth Lock Washers 410 Stainless Steel
  • SOLD BY THE PIECE.
  • 410 Grade Stainless Steel.
  • Serrated INTERNAL Tooth Star Washers. 
  • Please Contact Our Sales Department For Bulk Pricing.
$3.00

WINLW1-1/4
1
1" Internal Tooth Lock Washers 410 Stainless Steel
  • SOLD BY THE PIECE.
  • 410 Grade Stainless Steel.
  • Serrated INTERNAL Tooth Star Washers. 
  • Please Contact Our Sales Department For Bulk Pricing.
$6.00

WFDS1/2X300
5/8
5/8" x 3" 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.
$6.75

NHSCAP5/8-11
5/8-11 Hex Acorn Cap Nuts 18-8 / 304 Stainless Steel
5/8-11 Hex Acorn Cap Nuts 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE.
  • 1" Wrench Size.
  • 63/64" Height Overall.
  • Made From 18-8 / 304 Stainless Steel.
  • Contact Our Sales Department For Bulk Pricing.
$2.25

NJS5/8-11BAG10
5/8-11 Thin Hex Jam Nuts 18-8 / 304 Stainless Steel
5/8-11 Thin Hex Jam Nuts 18-8 / 304 Stainless Steel
  • SOLD BY BAG OF 10.
  • 15/16" Wrench Size
  • Thickness: 3/8"
  • Contact Our Sales Department For Bulk Pricing
Special Pricing Available
$7.50

WLS5/8BAG25
5/8
5/8" Split Ring 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 0.628" OD 1.072" Thickness 0.156"
  • CONTACT OUR SALES DEPARTMENT FOR BULK PRICING.
Special Pricing Available
$7.50

WINLW5/8BAG10
5/8
5/8" Internal Tooth Lock Washers 410 Stainless Steel
  • SOLD BY BAG OF 10.
  • 410 Grade Stainless Steel.
  • Serrated INTERNAL Tooth Star Washers. 
  • Please Contact Our Sales Department For Bulk Pricing.
Special Pricing Available
$4.25

WAN5/8-1016BAG25
5/8
5/8" AN Flat Washers 900 Series 18-8 / 304 Stainless Steel
  • SOLD BY THE BAG OF 25
  • 18-8 / 304 Stainless Steel
  • ID: .641
  • OD:  1.187
  • Thickness: 1/16"
  • AN960C1016
Special Pricing Available
$10.00

WSAE5/8-820
5/8
5/8" SAE Flat Washers 18-8 / 304 Stainless Steel
  • SOLD BY THE PIECE
  • 18-8 / 304 Stainless Steel
  • ID: .687
  • OD:  1.312
  • Thickness: .074 - .121
  • SAE 15795-821
$0.50