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Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 5-1/2, Partial Thread

Diameter - Thread Pitch: 1/2" - 20

1/2"-20
Hexagon head designed to be driven by a wrench or socket
Also called hex cap bolts, hex bolts, tap bolts or hex cap screws
316 Stainless Steel Hex Cap Screws are suitable for saltwater, marine and hash environment installations
Commonly used for:
- Boats
- Docks
- Piers
- Other harsh environments

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: 710172

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

Specifications

Across Flats (Width): 3/4" (Max 0.750 - Min 0.736)
asme: B18.2.1
Color (Duplicate): Silver
Color: Silver
Condition: New
Corrosion Resistant: Yes
Diameter: 1/2"
Drive Style: External Hex
Head Type: Hex Head
Thread Direction: Right Hand
Thread Type: Fine
Fit: 2A
FT = Full Thread: No
Grade: 316
Head Height: Basic 5/16", Max 0.323 - Min 0.302
Head Height Basic: 5/16"
Head Height Max: 0.323
Head Style: Hex
Length: 5-1/2
Marine Grade: Yes
Material (Duplicate): 316 Stainless Steel
Material: Stainless Steel
Overall Head Height: Basic 5/16", Max 0.323 - Min 0.302
Part Number: 787392580845
Pattern: Hex Cap Screws
Product Type: Hex Cap Screws
Size Type: Regular
Standards Met: ASME B18.2.1
System of Measurement: Inch
Thread Direction: Right Hand
Thread Pitch: 20 Per Inch
Thread Size: 1/2"-20
Thread Standard: UNF
Thread Type: Fine
Tolerance (IFI): Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Weight: 1 lb
Width Across Corners: Max 0.866 - Min 0.840
Wrench Size: 3/4"

Hex Finish Nuts, Stainless Steel 316, 1/2"-20 (3/4" Flats x 7/16" Thick)

Volume Pricing*

$0.73

($0.73/ea)

100

$57.00

($0.57/ea)

1000

$500.00

($0.50/ea)

$0.00

Fender Washers, Stainless Steel 316, (1/2" x 1-1/2")

Volume Pricing*

$0.90

($0.90/ea)

100

$80.00

($0.80/ea)

1000

$750.00

($0.75/ea)

$0.00

Flat Washers, Stainless Steel 316, 1/2" (0.531 ID x 1-1/4 OD x .062 THK)

Volume Pricing*

$0.20

($0.20/ea)

100

$17.00

($0.17/ea)

1000

$150.00

($0.15/ea)

$0.00

Lock Washers, Split Ring, Stainless Steel 316, 1/2" (0.502 ID x 0.869 OD x .125 THK)

Volume Pricing*

$0.42

($0.42/ea)

100

$25.00

($0.25/ea)

1000

$230.00

($0.23/ea)

$0.00

Nylon Lock Nuts, Stainless Steel 316, 1/2"-20 (752" Flats x .464" Thick)

Volume Pricing*

$1.16

($1.16/ea)

100

$98.00

($0.98/ea)

1000

$850.00

($0.85/ea)

$0.00

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

Volume Pricing*

$20.03 ea.

$0.00

Select Size/SKU & Quantity

23 Available Sizes

SIZE/SKU	Review Volume Pricing*	Enter Any Qty
1/2"-20 x 3/4" FT 710002	1 $1.71 ($1.71/ea) 100 $126.00 ($1.26/ea) 1000 $1,110.00 ($1.11/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 3/4, Full Thread $0.00
1/2"-20 x 7/8" FT 710012	1 $1.88 ($1.88/ea) 100 $145.00 ($1.45/ea) 1000 $1,270.00 ($1.27/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 7/8, Full Thread $0.00
1/2"-20 x 1" FT 710022	1 $2.00 ($2.00/ea) 100 $160.00 ($1.60/ea) 1000 $1,410.00 ($1.41/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 1, Full Thread $0.00
1/2"-20 x 1-1/4" FT 710032	1 $2.21 ($2.21/ea) 100 $179.00 ($1.79/ea) 1000 $1,570.00 ($1.57/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 1-1/4, Full Thread $0.00
1/2"-20 x 1-1/2" FT 710042	1 $2.40 ($2.40/ea) 100 $186.00 ($1.86/ea) 1000 $1,640.00 ($1.64/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 1-1/2, Full Thread $0.00
1/2"-20 x 1-3/4" FT 710052	1 $2.65 ($2.65/ea) 100 $217.00 ($2.17/ea) 1000 $1,910.00 ($1.91/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 1-3/4, Full Thread $0.00
1/2"-20 x 2" PT 710062	1 $3.06 ($3.06/ea) 100 $234.00 ($2.34/ea) 1000 $2,060.00 ($2.06/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 2, Partial Thread $0.00
1/2"-20 x 2-1/4" PT 710072	1 $3.32 ($3.32/ea) 100 $255.00 ($2.55/ea) 1000 $2,270.00 ($2.27/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 2-1/4, Partial Thread $0.00
1/2"-20 x 2-1/2" PT 710082	1 $3.59 ($3.59/ea) 100 $275.00 ($2.75/ea) 1000 $2,420.00 ($2.42/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 2-1/2, Partial Thread $0.00
1/2"-20 x 2-3/4" PT 710092	1 $4.00 ($4.00/ea) 100 $300.00 ($3.00/ea) 1000 $2,500.00 ($2.50/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 2-3/4, Partial Thread $0.00
1/2"-20 x 3" PT 710102	1 $4.16 ($4.16/ea) 100 $307.00 ($3.07/ea) 1000 $2,700.00 ($2.70/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 3, Partial Thread $0.00
1/2"-20 x 3-1/4" PT 710112	1 $4.50 ($4.50/ea) 100 $350.00 ($3.50/ea) 1000 $3,150.00 ($3.15/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 3-1/4, Partial Thread $0.00
1/2"-20 x 3-1/2" PT 710122	1 $4.74 ($4.74/ea) 100 $365.00 ($3.65/ea) 1000 $3,210.00 ($3.21/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 3-1/2, Partial Thread $0.00
1/2"-20 x 3-3/4" PT 710132	1 $3.92 ($3.92/ea) 100 $359.00 ($3.59/ea) 1000 $3,580.00 ($3.58/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 3-3/4, Partial Thread $0.00
1/2"-20 x 4" PT 710142	1 $5.63 ($5.63/ea) 100 $420.00 ($4.20/ea) 1000 $3,690.00 ($3.69/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 4, Partial Thread $0.00
1/2"-20 x 4-1/2" PT 710152	1 $6.47 ($6.47/ea) 100 $478.00 ($4.78/ea) 1000 $4,200.00 ($4.20/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 4-1/2, Partial Thread $0.00
1/2"-20 x 5" PT 710162	1 $7.17 ($7.17/ea) 100 $536.00 ($5.36/ea) 1000 $4,720.00 ($4.72/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 5, Partial Thread $0.00
1/2"-20 x 5-1/2" PT 710172	1 $7.96 ($7.96/ea) 100 $586.00 ($5.86/ea) 1000 $5,160.00 ($5.16/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 5-1/2, Partial Thread $0.00
1/2"-20 x 6" PT 710182	1 $8.05 ($8.05/ea) 100 $606.00 ($6.06/ea) 1000 $5,330.00 ($5.33/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 6, Partial Thread $0.00
1/2"-20 x 6-1/2" PT 710192	1 $8.43 ($8.43/ea) 100 $636.00 ($6.36/ea) 1000 $5,600.00 ($5.60/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 6-1/2, Partial Thread $0.00
1/2"-20 x 7" PT 710202	1 $8.88 ($8.88/ea) 100 $667.00 ($6.67/ea) 1000 $5,890.00 ($5.89/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 7, Partial Thread $0.00
1/2"-20 x 7-1/2" PT 710212	1 $9.54 ($9.54/ea) 100 $723.00 ($7.23/ea) 1000 $6,350.00 ($6.35/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 7-1/2, Partial Thread $0.00
1/2"-20 x 8" PT 710222	1 $10.23 ($10.23/ea) 100 $800.00 ($8.00/ea) 1000 $7,040.00 ($7.04/ea)	Quantity for Hex Cap Screws, Stainless Steel 316, 1/2"-20 x 8, Partial Thread $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 316, 1/2"-20 x 5-1/2, Partial Thread

Diameter - Thread Pitch: 1/2" - 20

Specifications

Frequently Used With