-17% sale
Seachoice Qualifies for Free Shipping Seachoice 3/8-16 x 1-3/4
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 3/8-16 x 1-3/4" Hex Cap Screw SS 25-pk #00049 $43.77 $52.52
Seachoice 00049 Fasteners Cap Screw - Hex Head, 3/8"-16 x 1-3/4"18-8 Stainless Steel.Normalized SKU: 00049UPC Code: 719249000497
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 3/8-16 x 3/4
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 3/8-16 x 3/4" Hex Cap Screw SS 25-pk #00044 $34.92 $41.68
Seachoice 00044 Fasteners Cap Screw - Hex Head, 3/8"-16 x 3/4"18-8 Stainless Steel.Normalized SKU: 00044UPC Code: 719249000442
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 3/8-16 x 2-1/2
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 3/8-16 x 2-1/2" Hex Cap Screw SS 10-pk #00053 $27.06 $32.30
Seachoice 00053 Fasteners Cap Screw - Hex Head, 3/8"-16 x 2-1/2"18-8 Stainless Steel.Normalized SKU: 00053UPC Code: 719249000534
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 5/16-18 x 4
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 5/16-18 x 4" Hex Cap Screw SS 10-pk #00038 $29.05 $34.67
Seachoice 00038 Fasteners Cap Screw - Hex Head, 5/16"-18 x 4"18-8 Stainless Steel.Normalized SKU: 00038UPC Code: 719249000381
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 3/8-16 x 3
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 3/8-16 x 3" Hex Cap Screw SS 10-pk #00054 $33.39 $39.85
Seachoice 00054 Fasteners Cap Screw - Hex Head, 3/8"-16 x 3"18-8 Stainless Steel.Normalized SKU: 00054UPC Code: 719249000541
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 1/4-20 x 5
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 1/4-20 x 5" Hex Cap Screw SS 10-pk #00019 $27.17 $32.43
Seachoice 00019 Fasteners Cap Screw - Hex Head, 1/4"-20 x 5"18-8 Stainless Steel.Normalized SKU: 00019UPC Code: 719249000190
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 3/8-16 x 1
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 3/8-16 x 1" Hex Cap Screw SS 25-pk #00046 $37.31 $44.53
Seachoice 00046 Fasteners Cap Screw - Hex Head, 3/8"-16 x 1"18-8 Stainless Steel.Normalized SKU: 00046UPC Code: 719249000466
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 5/16-18 x 6
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 5/16-18 x 6" Hex Cap Screw SS 5-pk #00043 $30.16 $36.00
Seachoice 00043 Fasteners Cap Screw - Hex Head, 5/16"-18 x 6"18-8 Stainless Steel.Normalized SKU: 00043UPC Code: 719249000435
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 5/16-18 x 4-1/2
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 5/16-18 x 4-1/2" Hex Cap Screw SS 5-pk #00039 $15.86 $18.93
Seachoice 00039 Fasteners Cap Screw - Hex Head, 5/16"-18 x 4-1/2"18-8 Stainless Steel.Normalized SKU: 00039UPC Code: 719249000398
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 5/16-18 x 1
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 5/16-18 x 1" Hex Cap Screw SS 25-pk #00027 $23.14 $27.62
Seachoice 00027 Fasteners Cap Screw - Hex Head, 5/16"-18 x 1"18-8 Stainless Steel.Normalized SKU: 00027UPC Code: 719249000275
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 5/16-18 x 5
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 5/16-18 x 5" Hex Cap Screw SS 5-pk #00041 $24.74 $29.53
Seachoice 00041 Fasteners Cap Screw - Hex Head, 5/16"-18 x 5"18-8 Stainless Steel.Normalized SKU: 00041UPC Code: 719249000411
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 5/16-18 x 3
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 5/16-18 x 3" Hex Cap Screw SS 10-pk #00036 $20.29 $24.22
Seachoice 00036 Fasteners Cap Screw - Hex Head, 5/16"-18 x 3"18-8 Stainless Steel.Normalized SKU: 00036UPC Code: 719249000367
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 5/16-18 x 2-1/2
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 5/16-18 x 2-1/2" Hex Cap Screw SS 10-pk #00034 $17.67 $21.09
Seachoice 00034 Fasteners Cap Screw - Hex Head, 5/16"-18 x 2-1/2"18-8 Stainless Steel.Normalized SKU: 00034UPC Code: 719249000343
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 5/16-18 x 3-1/2
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 5/16-18 x 3-1/2" Hex Cap Screw SS 10-pk #00037 $26.61 $31.76
Seachoice 00037 Fasteners Cap Screw - Hex Head, 5/16"-18 x 3-1/2"18-8 Stainless Steel.Normalized SKU: 00037UPC Code: 719249000374
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 5/16-18 x 1-1/2
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 5/16-18 x 1-1/2" Hex Cap Screw SS 25-pk #00029 $31.76 $37.91
Seachoice 00029 Fasteners Cap Screw - Hex Head, 5/16"-18 x 1-1/2"18-8 Stainless Steel.Normalized SKU: 00029UPC Code: 719249000299
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 5/16-18 x 2
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 5/16-18 x 2" Hex Cap Screw SS 25-pk #00033 $38.55 $46.26
Seachoice 00033 Fasteners Cap Screw - Hex Head, 5/16"-18 x 2"18-8 Stainless Steel.Normalized SKU: 00033UPC Code: 719249000336
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 1/4-20 x 3
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 1/4-20 x 3" Hex Cap Screw SS 25-pk #00014 $36.19 $43.20
Seachoice 00014 Fasteners Cap Screw - Hex Head, 1/4"-20 x 3"18-8 Stainless Steel.Normalized SKU: 00014UPC Code: 719249000145
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 5/16-18 x 1-3/4
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 5/16-18 x 1-3/4" Hex Cap Screw SS 25-pk #00031 $37.82 $45.14
Seachoice 00031 Fasteners Cap Screw - Hex Head, 5/16"-18 x 1-3/4"18-8 Stainless Steel.Normalized SKU: 00031UPC Code: 719249000312
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 5/16-18 x 3/4
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 5/16-18 x 3/4" Hex Cap Screw SS 25-pk #00026 $21.70 $25.90
Seachoice 00026 Fasteners Cap Screw - Hex Head, 5/16"-18 x 3/4"18-8 Stainless Steel.Normalized SKU: 00026UPC Code: 719249000268
-17% sale
Seachoice Qualifies for Free Shipping Seachoice 1/4-20 x 4
00
DAYS 00
HRS 00
MIN 00
SEC
Seachoice Seachoice 1/4-20 x 4" Hex Cap Screw SS 25-pk #00017 $45.89 $55.06
Seachoice 00017 Fasteners Cap Screw - Hex Head, 1/4"-20 x 4"18-8 Stainless Steel.Normalized SKU: 00017UPC Code: 719249000176

Frequently Asked Questions

First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!

Yes, we offer FREE Shipping on most orders over $149 to US-48*.

Each product displays a shipping status message, just above the item price. Below is the meaning for each of these codes.

  • Qualifies for Free Shipping: This item qualifies for free shipping when the order is $149+
  • Qualifies for Free Ground Shipping: This item qualifies for free ground shipping when the order is $149+.
  • Oversized - Not Qualified for Free Shipping: This item is too large/heavy to qualify for free shipping
  • Hazardous Item - Not Qualified for Free Shipping: This item is hazardous and does not qualify for free shipping
  • Truck Freight - Not Qualified for Free Shipping: This item has to be shipped via truck freight. Please contact us for a quote
  • In-Store Pickup Only: This item can only be picked up in our Grain Valley, MO retail store

Below the price of the item, on the product page, there is a message indicating the availability of the product.

The quantity on hand is updated as inventory events happen and matches what we have available. If you have urgent needs and we are close to what you need, contact us, and we can confirm stock.

We offer a hassle-free return policy. If you're not completely satisfied with your purchase, you can return it within 30 days for a full refund or exchange.

If you need to return an item, please follow the guidelines here so we can process a prompt refund and assist you in finding the correct item.

Free Shipping

On most orders $149+ to the continental 48 US states.

Secure Shopping

Fast, secure checkout with a variety of payment methods.

Shop with confidence

25+ years serving the marine industry.

Support center

Need help? Contact us via live chat, phone, or email.

© 2026 First Choice Marine.