Ocean Century (Qingdao) Industrial Co., Ltd.
                                                                                                           
Verified Supplier
26 Years
Since 2000
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Customized Concrete Self Tapping Screws ASME/DIN/GB/ISO/UNI Standard

Price Negotiable
Price: $0.02-$1.5/piece
MOQ: 1000
Delivery Time: 3-20 work days
Brand: Ocean Century
Product Description

One of our production bases specializes in cold heading, steel wire finishing and drawing, high-quality and high-precision standard and non-standard fasteners research and development, production, and sales.

The company has scientific and reasonable management, powerful technical strength, and advanced equipment. We have various metal processing technology methods, with high-precision CNC lathe, many wire drawing machine specifications, and various models of cold heading machines, etc.

We can design, produce, and process many kinds of non-standard fasteners and various American, British, and German hardware, such as bolts, nuts, shafts, pins, high-standard locating pins, and more. The materials used include carbon steel, stainless steel, copper wire, and alloy structural steel, etc. All the products are widely used in electronics, computers, home appliances, lamps and lanterns, automobiles, sports equipment, toys, new energy, and other fields.

Furthermore, we have an automatic metallographic testing machine, a tensile testing machine, a hardness tester, a salt spray testing machine, and various physical and chemical experimental devices to ensure the excellent quality of the product base material.

Nominal Size

A

W

H

B

U

Optional

Width Across Flats

Width Across Cormers

Head Height

WasherDiameter

Washer Thickness

Undercut Depth

Undercut Diameter

Max.

Min.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Max.

4

0.188

0.181

0.202

0.060

0.049

0.243

0.225

0.019

0.011

0137

.1850

6

0.250

0.244

0.272

0.093

0.08

0.328

0.302

0.025

0.015

.0157

.2523

8

0.250

0.244

0.272

0.110

0.096

0.348

0.322

0.031

0.019

.0196

.2523

10

0.312

0.305

0.340

0.120

0.105

0.414

0.384

0.031

0.019

0196

.3203

12

0.312

0.305

0.340

0.155

0.139

0.432

0.398

0.039

0.022

0236

.3203

1/4

0.375

0.367

0.409

0.190

0.172

0.520

0.480

0.050

0.030

0314

.3893

5/16

0.500

0.488

0.544

0.229

0.207

0.676

0.624

0.055

0.035

0393

.5253

Nominal Size

Type BSD

Threads per Inch

D

d

Z


Major Dia

Minor Dia

Mprotusion

Formed

Milled

Max.

Min.

Max.

Min.

Ref.

90°Head

Csk Head

90°Head

Csk Head

4

24

.114

.110

.086

.082

.163

5/16

3/8

3/8

7/16

6

20

.139

.135

.104

.099

190

5/16

3/8

3/8

7/16

8

18

.166

.161

.122

.116

211

3/8

7/16

7/16

1/2

10

16

.189

.183

.141

.135

.300

1/2

9/16

9/16

21/32

12

14

215

.209

,164

.157

.353

1/2

5/8

21/32

25/32

1/4

14

246

240

.192

.185

393

1/2

5/8

11/16

27/32

5/16

12

.314

.305

.272

263

421

5/8

3/4



Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Ocean Century (Qingdao) Industrial Co., Ltd.
Location Haier lndustrial Park Qingdao E.T.D.Z,China
Contact Person zhang

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