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Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 2-1/4", Partial Thread

Diameter - Thread Pitch: 3/8" - 16

3/8"-16
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: 89122

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

Specifications

Across Flats (Width): 9/16" (Max 0.562 - Min 0.551)
asme: B18.2.1
Color: Silver
Condition: New
Corrosion Resistant: Yes
Diameter: 3/8"
Drive Style: External Hex
Head Type: Hex Head
Thread Direction: Right Hand
Thread Type: Coarse
Fit: 2A
FT = Full Thread: No
Grade: 18-8
Head Height: Basic 15/16", Max 0.243 - Min 0.226
Head Height Basic: 15/64"
Head Height Max: 0.243
Head Style: Hex
Length: 2-1/4"
Material: Stainless Steel
Overall Head Height: 0.226" - 0.243"
Part Number: 710500917431
Product Type: Hex Cap Screws
Size System: US
Size Type: Regular
Standards Met: ASME B18.2.1
System of Measurement: Inch
Thread Direction: Right Hand
Thread Pitch: 16 Per Inch
Thread Size: 3/8"-16
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 0.650 - Min 0.628
Wrench Size: 9/16"

Hex Finish Nuts, Stainless Steel 304, 3/8"-16 (9/16" Flats x 21/64" Thick)

Volume Pricing*

$0.18

($0.18/ea)

100

$13.00

($0.13/ea)

1000

$110.00

($0.11/ea)

$0.00

Flat Washers, Stainless Steel 304, 3/8" (.406 ID x 7/8 OD x .050 Thick)

Volume Pricing*

$0.12

($0.12/ea)

100

$7.00

($0.07/ea)

1000

$60.00

($0.06/ea)

$0.00

Fender Washers, Stainless Steel 18-8, 3/8 x 1" (.406 ID x 1 OD x .050 Thick)

Volume Pricing*

$0.24

($0.24/ea)

100

$16.00

($0.16/ea)

1000

$130.00

($0.13/ea)

$0.00

Lock Washers, Split Ring, Stainless Steel 304, 3/8" (.377 ID x .680 OD x .078 Thick)

Volume Pricing*

$0.15

($0.15/ea)

100

$9.00

($0.09/ea)

1000

$80.00

($0.08/ea)

$0.00

Nylon Lock Nuts, Stainless Steel 304, 3/8-16 (.563 Flats x .468 Height)

Volume Pricing*

$0.23

($0.23/ea)

100

$19.00

($0.19/ea)

1000

$170.00

($0.17/ea)

$0.00

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

Volume Pricing*

$20.03 ea.

$0.00

Select Size/SKU & Quantity

34 Available Sizes

SIZE/SKU	Review Volume Pricing*	Enter Any Qty
3/8"-16 x 3/8" FT 89002	1 $1.08 ($1.08/ea) 100 $79.00 ($0.79/ea) 1000 $710.00 ($0.71/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 3/8", Full Thread $0.00
3/8"-16 x 1/2" FT 89012	1 $0.41 ($0.41/ea) 100 $30.00 ($0.30/ea) 1000 $270.00 ($0.27/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 1/2", Full Thread $0.00
3/8"-16 x 5/8" FT 89022	1 $0.42 ($0.42/ea) 100 $31.00 ($0.31/ea) 1000 $280.00 ($0.28/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 5/8", Full Thread $0.00
3/8"-16 x 3/4" FT 89032	1 $0.45 ($0.45/ea) 100 $32.00 ($0.32/ea) 1000 $290.00 ($0.29/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 3/4", Full Thread $0.00
3/8"-16 x 7/8" FT 89042	1 $0.46 ($0.46/ea) 100 $32.00 ($0.32/ea) 1000 $290.00 ($0.29/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 7/8", Full Thread $0.00
3/8"-16 x 1" FT 89052	1 $0.47 ($0.47/ea) 100 $33.00 ($0.33/ea) 1000 $290.00 ($0.29/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 1", Full Thread $0.00
3/8"-16 x 1-1/8" FT 89062	1 $0.72 ($0.72/ea) 100 $52.00 ($0.52/ea) 1000 $470.00 ($0.47/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 1-1/8", Full Thread $0.00
3/8"-16 x 1-1/4" FT 89072	1 $0.55 ($0.55/ea) 100 $38.00 ($0.38/ea) 1000 $340.00 ($0.34/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 1-1/4", Full Thread $0.00
3/8"-16 x 1-3/8" PT 89082	1 $1.22 ($1.22/ea) 100 $80.00 ($0.80/ea) 1000 $720.00 ($0.72/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 1-3/8", Partial Thread $0.00
3/8"-16 x 1-1/2" PT 89092	1 $0.58 ($0.58/ea) 100 $42.00 ($0.42/ea) 1000 $380.00 ($0.38/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 1-1/2", Partial Thread $0.00
3/8"-16 x 1-3/4" PT 89102	1 $0.62 ($0.62/ea) 100 $46.00 ($0.46/ea) 1000 $410.00 ($0.41/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 1-3/4", Partial Thread $0.00
3/8"-16 x 2" PT 89112	1 $0.73 ($0.73/ea) 100 $55.00 ($0.55/ea) 1000 $490.00 ($0.49/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 2", Partial Thread $0.00
3/8"-16 x 2-1/4" PT 89122	1 $0.81 ($0.81/ea) 100 $68.00 ($0.68/ea) 1000 $620.00 ($0.62/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 2-1/4", Partial Thread $0.00
3/8"-16 x 2-1/2" PT 89132	1 $0.84 ($0.84/ea) 100 $68.00 ($0.68/ea) 1000 $620.00 ($0.62/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 2-1/2", Partial Thread $0.00
3/8"-16 x 2-3/4" PT 89142	1 $0.96 ($0.96/ea) 100 $80.00 ($0.80/ea) 1000 $720.00 ($0.72/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 2-3/4", Partial Thread $0.00
3/8"-16 x 3" PT 89152	1 $0.99 ($0.99/ea) 100 $84.00 ($0.84/ea) 1000 $740.00 ($0.74/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 3", Partial Thread $0.00
3/8"-16 x 3-1/4" PT 89162	1 $1.09 ($1.09/ea) 100 $92.00 ($0.92/ea) 1000 $820.00 ($0.82/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 3-1/4", Partial Thread $0.00
3/8"-16 x 3-1/2" PT 89172	1 $1.11 ($1.11/ea) 100 $92.00 ($0.92/ea) 1000 $820.00 ($0.82/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 3-1/2", Partial Thread $0.00
3/8"-16 x 3-3/4" PT 89182	1 $1.25 ($1.25/ea) 100 $104.00 ($1.04/ea) 1000 $940.00 ($0.94/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 3-3/4", Partial Thread $0.00
3/8"-16 x 4" PT 89192	1 $1.30 ($1.30/ea) 100 $106.00 ($1.06/ea) 1000 $960.00 ($0.96/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 4", Partial Thread $0.00
3/8"-16 x 4-1/4" PT 89202	1 $1.47 ($1.47/ea) 100 $124.00 ($1.24/ea) 1000 $1,120.00 ($1.12/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 4-1/4", Partial Thread $0.00
3/8"-16 x 4-1/2" PT 89212	1 $1.56 ($1.56/ea) 100 $125.00 ($1.25/ea) 1000 $1,160.00 ($1.16/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 4-1/2", Partial Thread $0.00
3/8"-16 x 4-3/4" PT 89222	1 $1.71 ($1.71/ea) 100 $150.00 ($1.50/ea) 1000 $1,340.00 ($1.34/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 4-3/4", Partial Thread $0.00
3/8"-16 x 5" PT 89232	1 $1.83 ($1.83/ea) 100 $153.00 ($1.53/ea) 1000 $1,370.00 ($1.37/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 5", Partial Thread $0.00
3/8"-16 x 5-1/2" PT 89242	1 $2.03 ($2.03/ea) 100 $170.00 ($1.70/ea) 1000 $1,530.00 ($1.53/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 5-1/2", Partial Thread $0.00
3/8"-16 x 6" PT 89252	1 $2.11 ($2.11/ea) 100 $185.00 ($1.85/ea) 1000 $1,660.00 ($1.66/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 6", Partial Thread $0.00
3/8"-16 x 7" PT 89262	1 $3.36 ($3.36/ea) 100 $312.00 ($3.12/ea) 1000 $2,840.00 ($2.84/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 7", Partial Thread $0.00
3/8"-16 x 7-1/2" PT 89272	1 $3.94 ($3.94/ea) 100 $358.00 ($3.58/ea) 1000 $3,270.00 ($3.27/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 7-1/2", Partial Thread $0.00
3/8"-16 x 8" PT 89282	1 $4.26 ($4.26/ea) 100 $395.00 ($3.95/ea) 1000 $3,600.00 ($3.60/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 8", Partial Thread $0.00
3/8"-16 x 9" PT 89292	1 $5.23 ($5.23/ea) 100 $457.00 ($4.57/ea) 1000 $4,160.00 ($4.16/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 9", Partial Thread $0.00
3/8"-16 x 10" PT 89302	1 $5.71 ($5.71/ea) 100 $515.00 ($5.15/ea) 1000 $4,690.00 ($4.69/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 10", Partial Thread $0.00
3/8"-16 x 12" PT 89312	1 $9.30 ($9.30/ea) 100 $746.00 ($7.46/ea) 1000 $6,790.00 ($6.79/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 12", Partial Thread $0.00
3/8"-16 x 14" PT 89322	1 $23.00 ($23.00/ea) 100 $2,032.00 ($20.32/ea) 1000 $18,640.00 ($18.64/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 14", Partial Thread $0.00
3/8"-16 x 16" PT 89332	1 $28.38 ($28.38/ea) 100 $2,100.00 ($21.00/ea) 1000 $20,830.00 ($20.83/ea)	Quantity for Hex Cap Screws, Stainless Steel 18-8, 3/8"-16 x 16", 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 18-8, 3/8"-16 x 2-1/4", Partial Thread

Diameter - Thread Pitch: 3/8" - 16

Specifications

Frequently Used With