uxcell M5 x 16mm Metric Hex Socket Countersunk Head Screw Bolts, Black, 50PCS

uxcell M5 x 16mm Metric Hex Socket Countersunk Head Screw Bolts Black 50PCS

uxcell M5 x 16mm Metric Hex Socket Countersunk Head Screw Bolts, Black, 50PCS

1. What is a hexagon socket screw? The outer edge of the head of the hexagon socket screw is round, and the middle is a recessed hexagon. It is usually used with a hexagon wrench. Commonly used in machinery, it mainly has the advantages of easy fastening, disassembly, and not easy to slip corners. 2. What is the application range of hexagon socket screws? Hexagonal screws are widely used, ranging from household hardware, electrical products, mechanical equipment products, to the wind power industry, the aerospace industry, office equipment industry, the electronics industry, the communications industry, the shipbuilding industry, etc. 3. What are the grades of hexagon socket screws? The performance grades of hexagon socket screw are divided into more than 10 grades, such as 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, among which screw of grade 8.8 and above are made of low-carbon alloy steel or medium-carbon steel and are heat-treated (quenched, tempering), commonly known as high-strength screw, and the rest are commonly known as ordinary screw. According to the stainless steel material, there are 201, 304, and 316 stainless steel. Notice: Please view the detailed information of the linked product for the specific size. Please purchase the appropriate size according to your needs.

Key Features

• ✅ Head Style: Countersunk; Material: 10.9 Alloy Steel; Package Content: 50(+/-2%) x Countersunk Bolts
• ✅ Product Name: Countersunk Bolt; Thread Size: (d x L1) M5 x 13mm/ 0.2" x 0.5"; Weight: 123g
• ✅ Drive Type: Hex Socket; Main Color: Black
• ✅ Thread Pitch: 0.8mm; Total Length: ( L ) 16mm/ 0.6"
• ✅ Head Size: (D x t) 10 x 3mm/0.4" x 0.12"(D*T); Width Across Flat (S): 3mm/ 0.12"

Shipping & Guarantees

• ✅ FREE standard shipping within the United States (3–6 business days)
• ✅ 100% money-back guarantee for lost or damaged items
• ✅ Secure checkout with encrypted payment processing
• ✅ Shipping via UPS, FedEx, and USPS
• ✅ Ships to lower 48 states only (no PO Boxes / APO / FPO)

Returns

• ✅ 30-day hassle-free returns
• ✅ Items must be unused and in original packaging
• ✅ Full refund if item is not delivered
• ✅ Guaranteed delivery within 6–7 business days

Payment Methods

✅ Credit Cards, PayPal, Shop Pay, Apple Pay, Google Pay, Amazon Pay, Meta Pay

Customer Support

✅ Questions? Contact us at Support@GiftAbay.com
We respond within 24 hours on business days.