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Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 12-1/2"

Diameter - Thread Pitch: 1" - 8

1"-8
Hexagon head designed to be driven by a wrench or socket
Also called hex cap bolts, hex bolts, tap bolts or hex cap screws
18-8 Stainless steel hex cap screws offer protection from weather and corrosive environments
Rust resistant in freshwater environments
For saltwater environments use the 316 stainless steel version

A hex cap screw in smaller sizes may not have a shoulder. When a hex cap screw is fully threaded it can also be referred to as a tap bolt.

Hex Bolts are measured as: Diameter x Thread Pitch x Length from Under Head
FT: Fully Threaded
PT: Partially Threaded

**1/4"-20 Hex Cap Screws listed as PT, usually have a threaded portion of about 3/4".
However, this can vary slightly from manufacturer to manufacturer.

Product number: 98158

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FT = Full Thread (threaded the entire length) · PT = Partial Thread (unthreaded shoulder below the head)

Specifications

Across Flats (Width): 1-1/2" (Max 1.500 - Min 1.469)
asme: B18.2.1
Color: Silver
Condition: New
Corrosion Resistant: Yes
Diameter: 1"
Drive Style: External Hex
Head Type: Hex Head
Thread Direction: Right Hand
Thread Type: Coarse
Fit: 2A
Grade: 18-8
Head Height: Max 0.627 - Min 0.591
Head Height Basic: 39/64"
Head Height Max: 0.627
Head Style: Hex
Length: 12-1/2"
Material: Stainless Steel
Overall Head Height: Basic 39/64", Max 0.627 - Min 0.591
Part Number: 710500937248
Product Type: Hex Cap Screws
Size Type: Regular
Standards Met: ASME B18.2.1
System of Measurement: Inch
Thread Direction: Right Hand
Thread Pitch: 8 Per Inch
Thread Size: 1"-8
Thread Standard: UNC
Thread Type: Coarse
Tolerance (IFI): Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Weight: 1 lb
Width Across Corners: Max 1.732- Min 1.675
Wrench Size: 1-1/2"

Hex Finish Nuts, Stainless Steel 304, 1"-8 (1-1/2" Flats x 55/64" Thick)

Volume Pricing*

$2.96

($2.96/ea)

100

$244.00

($2.44/ea)

1000

$2,050.00

($2.05/ea)

$0.00

Flat Washers, Stainless Steel 304, 1" (1.062 ID x 2 OD x .125 Thick)

Volume Pricing*

$1.21

($1.21/ea)

100

$86.00

($0.86/ea)

1000

$690.00

($0.69/ea)

$0.00

Lock Washers, Split Ring, Stainless Steel 304, 1" (1.003 ID x 1.647 OD x .250 Thick)

Volume Pricing*

$1.98

($1.98/ea)

100

$160.00

($1.60/ea)

1000

$1,430.00

($1.43/ea)

$0.00

Nylon Lock Nuts, Stainless Steel 304, 1-8 (1.44 Flats x 1.078 Height)

Volume Pricing*

$6.34

($6.34/ea)

100

$526.00

($5.26/ea)

1000

$4,730.00

($4.73/ea)

$0.00

MRO Solution 2400, Marine Grade Anti-Seize Lubricant, 8 oz.

Volume Pricing*

$20.03 ea.

$0.00

Select Size/SKU & Quantity

29 Available Sizes

SIZE/SKU	Review Volume Pricing*	Enter Any Qty
1"-8 x 2" FT 98002	1 $10.03 ($10.03/ea) 100 $860.00 ($8.60/ea) 1000 $7,570.00 ($7.57/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 2" $0.00
1"-8 x 2-1/4" FT 98008	1 $10.14 ($10.14/ea) 100 $870.00 ($8.70/ea) 1000 $7,820.00 ($7.82/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 2-1/4" $0.00
1"-8 x 2-1/2" FT 98014	1 $10.31 ($10.31/ea) 100 $887.00 ($8.87/ea) 1000 $7,960.00 ($7.96/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 2-1/2" $0.00
1"-8 x 2-3/4" FT 98020	1 $10.16 ($10.16/ea) 100 $852.00 ($8.52/ea) 1000 $8,110.00 ($8.11/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 2-3/4" $0.00
1"-8 x 3" FT 98026	1 $10.89 ($10.89/ea) 100 $936.00 ($9.36/ea) 1000 $8,400.00 ($8.40/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 3" $0.00
1"-8 x 3-1/4" FT 98032	1 $11.73 ($11.73/ea) 100 $999.00 ($9.99/ea) 1000 $8,960.00 ($8.96/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 3-1/4" $0.00
1"-8 x 3-1/2" PT 98038	1 $12.02 ($12.02/ea) 100 $1,035.00 ($10.35/ea) 1000 $9,280.00 ($9.28/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 3-1/2" $0.00
1"-8 x 3-3/4" PT 98044	1 $13.15 ($13.15/ea) 100 $1,130.00 ($11.30/ea) 1000 $10,140.00 ($10.14/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 3-3/4" $0.00
1"-8 x 4" PT 98050	1 $13.78 ($13.78/ea) 100 $1,157.00 ($11.57/ea) 1000 $10,380.00 ($10.38/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 4" $0.00
1"-8 x 4-1/4" PT 98056	1 $14.04 ($14.04/ea) 100 $1,166.00 ($11.66/ea) 1000 $10,480.00 ($10.48/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 4-1/4" $0.00
1"-8 x 4-1/2" PT 98062	1 $14.86 ($14.86/ea) 100 $1,245.00 ($12.45/ea) 1000 $11,180.00 ($11.18/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 4-1/2" $0.00
1"-8 x 4-3/4" PT 98068	1 $15.87 ($15.87/ea) 100 $1,320.00 ($13.20/ea) 1000 $11,860.00 ($11.86/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 4-3/4" $0.00
1"-8 x 5" PT 98074	1 $16.22 ($16.22/ea) 100 $1,355.00 ($13.55/ea) 1000 $12,160.00 ($12.16/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 5" $0.00
1"-8 x 5-1/2" PT 98080	1 $17.16 ($17.16/ea) 100 $1,433.00 ($14.33/ea) 1000 $12,860.00 ($12.86/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 5-1/2" $0.00
1"-8 x 6" PT 98086	1 $19.11 ($19.11/ea) 100 $1,600.00 ($16.00/ea) 1000 $14,380.00 ($14.38/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 6" $0.00
1"-8 x 6-1/2" PT 98092	1 $21.01 ($21.01/ea) 100 $1,788.00 ($17.88/ea) 1000 $15,800.00 ($15.80/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 6-1/2" $0.00
1"-8 x 7" PT 98098	1 $21.99 ($21.99/ea) 100 $1,850.00 ($18.50/ea) 1000 $16,640.00 ($16.64/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 7" $0.00
1"-8 x 7-1/2" PT 98104	1 $23.55 ($23.55/ea) 100 $1,998.00 ($19.98/ea) 1000 $17,980.00 ($17.98/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 7-1/2" $0.00
1"-8 x 8" PT 98110	1 $24.32 ($24.32/ea) 100 $2,068.00 ($20.68/ea) 1000 $18,600.00 ($18.60/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 8" $0.00
1"-8 x 9" PT 98116	1 $25.71 ($25.71/ea) 100 $2,189.00 ($21.89/ea) 1000 $19,680.00 ($19.68/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 9" $0.00
1"-8 x 9-1/2" PT 98122	1 $33.86 ($33.86/ea) 100 $2,853.00 ($28.53/ea) 1000 $25,620.00 ($25.62/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 9-1/2" $0.00
1"-8 x 10" PT 98128	1 $36.13 ($36.13/ea) 100 $3,070.00 ($30.70/ea) 1000 $27,620.00 ($27.62/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 10" $0.00
1"-8 x 10-1/2" PT 98134	1 $40.53 ($40.53/ea) 100 $3,418.00 ($34.18/ea) 1000 $30,740.00 ($30.74/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 10-1/2" $0.00
1"-8 x 11" PT 98140	1 $44.01 ($44.01/ea) 100 $3,743.00 ($37.43/ea) 1000 $33,680.00 ($33.68/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 11" $0.00
1"-8 x 11-1/2" PT 98146	1 $45.54 ($45.54/ea) 100 $3,841.00 ($38.41/ea) 1000 $34,580.00 ($34.58/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 11-1/2" $0.00
1"-8 x 12" PT 98152	1 $47.23 ($47.23/ea) 100 $4,013.00 ($40.13/ea) 1000 $36,100.00 ($36.10/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 12" $0.00
1"-8 x 12-1/2" PT 98158	1 $49.92 ($49.92/ea) 100 $4,103.00 ($41.03/ea) 1000 $39,080.00 ($39.08/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 12-1/2" $0.00
1"-8 x 14" PT 98164	1 $52.55 ($52.55/ea) 100 $4,431.00 ($44.31/ea) 1000 $39,880.00 ($39.88/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 14" $0.00
1"-8 x 15" PT 98170	1 $53.68 ($53.68/ea) 100 $4,524.00 ($45.24/ea) 1000 $40,700.00 ($40.70/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 15" $0.00

*Volume pricing available on select products. Products without quantity breaks are priced per unit.

Page Total: $0.00

Hex Cap Screws, Stainless Steel 18-8, 1"-8 x 12-1/2"

Diameter - Thread Pitch: 1" - 8

Specifications

Frequently Used With