Wholesale ASME 18.6.3 (T5-1):2024 Round Head U Screw

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ASME 18.6.3 (T5-1):2024 Round Head U Screw

ASME 18.6.3 (T5-1):2024 Round Head U Screw features a round head U-drive metal drive screw design, making it suitable for thin metal assemblies needing fast driven installation or force-forming engagement.

The U-drive feature helps create grip during installation, and the round head gives a smooth visible surface where conventional threaded fasteners may not be convenient. This structure supports efficient assembly while balancing joint stability, load distribution, and convenient maintenance, making it practical for standardized purchasing and volume production.

This product can be used in metal nameplates, light panels, sheet clamping, repair fixing, and one-time assemblies. Material hardness, surface finish, and head appearance can be selected to meet requirements for corrosion protection, wear resistance, assembly efficiency, and long-term reliability.

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Dimensions unit: inch

Thread nominal diameter code

00#

0#

2#

4#

6#

7#

8#

10#

12#

14#

5/16

3/8

Number of threads

6

6

8

7

7

8

8

8

8

9

11

12

d

Max.

0.06

0.075

0.1

0.116

0.14

0.154

0.167

0.182

0.212

0.242

0.315

0.378

Min.

0.057

0.072

0.097

0.112

0.136

0.15

0.162

0.177

0.206

0.236

0.309

0.371

dk

Max.

0.099

0.127

0.162

0.211

0.26

0.285

0.309

0.359

0.408

0.457

0.59

0.708

Min.

0.09

0.118

0.146

0.193

0.24

0.264

0.287

0.334

0.382

0.429

0.557

0.67

k

Min.

0.034

0.049

0.069

0.086

0.103

0.111

0.12

0.137

0.153

0.17

0.216

0.256

Max.

0.026

0.041

0.059

0.075

0.091

0.099

0.107

0.123

0.139

0.155

0.198

0.237

dp

Max.

0.049

0.063

0.083

0.096

0.116

0.126

0.136

0.15

0.177

0.202

0.272

0.334

Min.

0.046

0.06

0.08

0.092

0.112

0.122

0.132

0.146

0.173

0.198

0.267

0.329

Mounting hole size

Drill bit model

55

51

44

37

31

29

27

20

11

2

M

T

Hole diameter

0.052

0.067

0.086

0.104

0.12

0.136

0.144

0.161

0.191

0.221

0.295

0.358

Short cylinder end length ±0.015,S

-

-

-

-

-

-

-

-

-

-

-

-

FAQ

Frequently Asked Questions

  • 1. How soon can I expect a reply after sending an inquiry?

    A: We take every inquiry seriously. On working days, we will respond within 12 hours after receiving your inquiry.

  • 2. What products do you mainly offer?

    A: We focus on the production of fasteners made of carbon steel, stainless steel, and low-alloy steel. We are a direct manufacturer with independent production capacity. ASME 18.6.3 (T5-1):2024 Round Head U Screw Factory. We own several fastener manufacturing facilities and have an international sales department, providing full-process services from production to export.

  • 3. Do you support customized production?

    A: Customized production is our core business. We can develop and manufacture products based on the drawings or samples you provide.

  • 4. Do you produce standard parts?

    A: Yes. In addition to custom products, we also produce general construction machinery parts (GET parts) for equipment such as excavators, including bucket teeth, tooth holders, corner blades, pins, clips, bolts and nuts. ASME 18.6.3 (T5-1):2024 Round Head U Screw Wholesale.

  • 5. What is your production capacity?

    A: We have 12 energy-efficient and environmentally friendly modern production lines (including one fully automatic shell molding line and four heat treatment lines), with an annual production capacity exceeding 20,000 tons, enabling us to steadily meet various order requirements.

  • 6. What are your payment terms?

    A: Trade terms (such as FOB, CIF, etc.) are confirmed when quoting. For batch production, we typically require a 30% deposit, with the balance paid against the copy of the bill of lading. T/T is the main payment method accepted, and L/C can also be negotiated.

  • 7. How is the shipment arranged?

    A: We are only 35 km away from Shanghai Port and Ningbo Port, so sea freight is the main mode of transportation, which is convenient and efficient. For urgent deliveries, we can also arrange air freight via Ningbo or Shanghai airports.

Better Fastener Industry Co., Ltd.

About Us

BETTER FASTENER INDUSTRY CO., LTD.

Better Fastener is a professional fastener enterprise specializing in the manufacturing of steel washers, stainless steel washers, spring washers and sealingwashers. Founded in 2001 as a washer factory, the company expanded into a comprehensive enterprise integrating washers, nuts, bolts, spring nuts and other fastener products in 2010. ASME 18.6.3 (T5-1):2024 Round Head U Screw Suppliers in China.

The company positions itself as a provider of comprehensive one-stop services for customers, relying on technological R&D, industrial investment and trade distribution.

With an experienced professional team and a sound sales network, Better Fastener has achieved excellent sales performance in both domestic and foreign markets,and has grown into one of the competitive manufacturers and suppliers in China's industrial fastener industry.

Better Fastener is committed to becoming a trusted fastener supplier for customers with reliable product quality, reasonable prices and on-time delivery

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