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Drilled Ball Drilled Ball
Drilled Ball Drilled Ball

Drilled Ball

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Our drilled steel balls are precision-machined spherical components designed with pre-drilled holes to meet a wide range of industrial, mechanical, and assembly requirements. Whether you need a simple through-hole or a threaded bore for secure fastening, our drilled steel balls offer exceptional flexibility and reliability.
 
Product Description

Diverse Applications
Our drilled steel balls are trusted across multiple industries:

Precision Measurement & Machine Tools: Used for calibration and positioning in coordinate measuring machines and linear guide systems

Oil & Gas Industry: Heavy-duty rockbit balls manufactured from tough S-2 tool steel to withstand extreme shock, abrasion, and high-pressure conditions

Educational & Laboratory Equipment: Ideal as pendulum bobs and for collision experiments in physics and mechanics

Assembly & Mechanical Fixtures: Widely used in 3D printer magnetic ball joint systems, custom linkages, and threaded attachment assemblies

DP Series – Drilled Steel Balls Specifications

Model

B (mm)

D (mm)

W (mm)

Vdmp (mm)

Vdp (mm)

T (HRC, Angle <45°)

t (mm)

Weight (g)

3 DP

4.826

11.0998

7.9248

0.0127

0.0127

0.35~0.55

0.051

3.7

4 DP

6.35

12.7

9.525

0.0127

0.0127

0.35~0.55

0.051

4.8

5 DP

7.9375

15.875

11.0998

0.0127

0.0127

0.35~0.55

0.051

10

6 DP

9.525

18.2626

12.7

0.0127

0.0127

0.35~0.55

0.051

15

7 DP

11.1125

20.6248

14.2748

0.0127

0.0127

0.35~0.55

0.051

20

8 DP

12.7

23.7998

15.875

0.0127

0.0127

0.35~0.55

0.051

32

10 DP

15.875

28.575

19.05

0.0127

0.0127

0.50~0.75

0.051

54

12 DP

19.05

33.3248

22.225

0.0127

0.0127

0.50~0.75

0.051

82

14 DP

22.225

33.3248

22.225

0.0127

0.0127

0.60~0.80

0.051

63.5

16 DP

25.4

47.625

34.925

0.0127

0.0127

0.75~0.95

0.051

252

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Qingdao Fuqin Imp. & Exp. Co., Ltd. is a professional manufacturing and exporting company, mainly supplying chrome steel balls, stainless steel balls, ceramic balls, carbon steel balls, steel roller, rod ends.

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Add: Rm.2105 No.27 Zijinshan Zhi Road, Economic & Technical Development Zone, Qingdao, Shandong, China
Email: info@qd-fortune.com
Tel: 0086-532-8098 8961
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