CNC Step Round Nut Double Pass Cylindrical Nut Aluminum Alloy Round Nut

Product Details
Customization: Available
Material: Titanium/Titanium Alloy
Type: Round Head
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  • CNC Step Round Nut Double Pass Cylindrical Nut Aluminum Alloy Round Nut
  • CNC Step Round Nut Double Pass Cylindrical Nut Aluminum Alloy Round Nut
  • CNC Step Round Nut Double Pass Cylindrical Nut Aluminum Alloy Round Nut
  • CNC Step Round Nut Double Pass Cylindrical Nut Aluminum Alloy Round Nut
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  • Overview
  • Product Description
  • Product Parameters
  • Detailed Photos
  • Certifications
  • Products Show
  • Manufacturing Capacity
  • Quality Control Method
  • FAQ
Overview

Basic Info.

Model NO.
0628-4
Connection
Common Bolt
Head Style
Round
Standard
DIN, ANSI, GB, JIS, GOST, BSW
Grade
8.8
Pitch
0.25
Thickness
5
Strength Grade
8
Product Grade
a
Transport Package
Carton
Specification
M4
Origin
China
HS Code
7318151090
Production Capacity
100000 Pieces/Year

Product Description

 

Product Description

Product Description:shoulder nut (also called step nut or flanged round nut) is a specialized cylindrical fastener featuring an integrated shoulder/flange base and internal threading. Its unique stepped design provides secure spacing, alignment, and vibration resistance in precision assemblies.

Key Features: Integrated Shoulder Design - The flanged base acts as a built-in washer, distributing load evenly and preventing surface damage.
 Smooth & Secure Fit - The cylindrical body ensures perfect alignment for rotating parts (e.g., shafts, bearings).
 High-Strength Materials - Made from stainless steel (304/316), alloy steel, or brass for corrosion/rust resistance.
 Precision Threading - Compatible with metric (M4-M24) and imperial (1/4"-1") bolts, meeting DIN 6331, ISO 4033 standards.

Thread Size(d) M5 M6 M8 M10 M12 M16 M20
P Thread Pitch 0.8 1 1.25 1.5 1.75 2 2.5
ds Nominal 6.5 8 10 13 16 20 25
Max. 6.487 7.987 9.987 12.984 15.984 19.980 24.980
Min. 6.451 7.951 9.951 12.941 15.941 19.928 24.928
b Max. 9.75 11.25 13.25 16.40 18.40 22.40 27.40
Min. 9.25 10.75 12.75 15.60 17.60 21.60 26.60
dk Flat-end Max. 10 13 16 18 24 30 36
Knurled Head Max. 10.22 13.27 16.27 18.27 24.33 30.33 36.39
Min. 9.78 12.73 15.73 17.73 23.67 29.67 35.61
ds1 Max. 3.86 4.58 6.25 7.91 9.57 13.33 16.57
Min. 3.68 4.40 6.03 7.69 9.35 12.96 16.30
e Min. 3.44 4.58 5.72 6.86 9.15 11.43 13.72
k Max. 4.5 5.5 7 9 11 14 16
Min. 4.32 5.32 6.78 8.78 10.73 13.73 15.73
g1 Max. 2.5 2.5 2.5 2.5 2.5 2.5 3
g2 Max. 2 2.5 3.1 3.7 4.4 5 6.3
r Min. 0.25 0.4 0.6 0.6 0.6 0.8 0.8
s Nominal 3 4 5 6 8 10 12
Max. 3.08 4.095 5.095 6.095 8.115 10.115 12.142
Min. 3.02 4.02 5.02 6.02 8.025 10.025 12.032
t Min. 2.4 3.3 4.2 4.9 6.6 8.8 10

Product Parameters


We produce all types of standard or non-standard thread screws according to customer's request.Detailed as following table:
Specification Table of Thread Screw
Standard Size Pitch of thread (mm) d(mm) Wire Diameter ±0.02mm
Max Min
Chinese National Standard Coarse Thread 60° M5 0.80 4.98 4.83 4.30
M6 1.00 5.97 5.82 5.18
M7 1.00 6.97 6.82 6.18
M8 1.25 7.96 7.79 7.02
M9 1.25 8.96 8.79 8.01
M10 1.50 9.96 9.77 8.84
M11 1.50 10.97 10.73 9.84
M12 1.75 11.95 11.76 10.7
M14 2.00 13.95 13.74 12.5
M16 2.00 15.95 15.74 14.5
M18 2.50 17.95 17.71 16.20
M20 2.50 19.95 19.71 18.2
Chinese National Standard Fine Thread 60° M5 0.50 4.97 4.86 4.57
M6 0.75 5.97 5.85 5.41
M7 0.75 6.97 6.85 6.41
M8 1.00 7.97 7.83 7.24
M9 1.00 8.97 8.83 8.24
M10 1.00 9.97 9.82 9.23
M10 1.25 9.96 9.81 9.07
M12 1.25 11.97 11.76 11.07
M12 1.50 11.96 11.79 10.89
M14 1.50 13.96 13.79 12.89
M16 1.50 15.96 15.79 14.89
M18 1.50 17.95 17.73 16.86
M20 1.50 19.95 19.65 18.85
Specification Table of Thread Screw
Standard Size Thread per inch d(mm) Wire Diameter ±0.02mm
Max Min
British Standard Whitworth Thread (Coarse) 55° 1/8 40 3.145 3.03 2.70
5/32 32 3.945 3.795 3.38
3/16 24 4.732 4.592 4.00
1/4 20 6.32 6.165 5.45
5/16 18 7.905 7.737 6.94
3/8 16 9.49 9.312 8.4
7/16 14 11.2 10.88 9.84
1/2 12 12.66 12.46 11.22
9/16 12 14.25 14.04 12.81
5/8 11 15.83 15.61 14.27
Unified Coarse Pitch Thread ( American Standard) 60° 4# 40 2.824 2.695 2.37
5# 40 3.154 3.026 2.69
6# 32 3.484 3.333 2.91
8# 32 4.142 3.991 3.57
10# 24 4.80 4.618 4.05
12# 24 5.461 5.279 4.7
1/4 20 6.322 6.117 5.45
5/16 18 7.907 7.687 6.93
3/8 16 9.491 9.254 8.40
7/16 14 11.08 10.82 9.83
1/2 13 12.66 12.39 11.32
9/16 12 14.25 13.96 12.8
5/8 11 15.83 15.53 14.26
Unified Fine Pitch Thread ( American Standard) 60° 4# 48 2.877 2.713 2.44
5# 44 3.157 3.036 2.73
6# 40 3.484 3.356 3.02
8# 36 4.145 4.006 3.63
10# 32 4.803 4.651 4.23
12# 28 5.461 5.296 4.81
1/4 28 6.324 6.16 5.68
5/16 24 7.909 7.727 7.16
3/8 24 9.497 9.315 8.74
7/16 20 11.08 10.87 10.18
1/2 20 12.67 12.46 11.76
9/16 18 14.25 14.03 13.25
5/8 18 15.83 15.62 14.83
 

Detailed Photos

  
CNC Step Round Nut Double Pass Cylindrical Nut Aluminum Alloy Round Nut
CNC Step Round Nut Double Pass Cylindrical Nut Aluminum Alloy Round Nut


 

Certifications

CNC Step Round Nut Double Pass Cylindrical Nut Aluminum Alloy Round Nut
CNC Step Round Nut Double Pass Cylindrical Nut Aluminum Alloy Round Nut
CNC Step Round Nut Double Pass Cylindrical Nut Aluminum Alloy Round Nut

 

Products Show


CNC Step Round Nut Double Pass Cylindrical Nut Aluminum Alloy Round Nut

Manufacturing Capacity

CNC Step Round Nut Double Pass Cylindrical Nut Aluminum Alloy Round NutCNC Step Round Nut Double Pass Cylindrical Nut Aluminum Alloy Round Nut

Quality Control Method

Advanced Planning Process Control Quality Issue Feedback
·Multi-functional project team

·Build up standard tree,do the analysis and training

·DFMEA

·4 stage project review, quality gate

·PFMEA

·Visualized WI
·First and final piece100% inspection.

·Combine self-inspect and patrol inspect.

·Regular inspection on fixture and gauges.

·Upper andlower process error prevention control

·5M1E management
·Quick feedback, arrive sitewithin 10 minutes

·Define interim and containment action within 4hours

·Daily quick response meeting

·8D

·6 Sigma

·Actions follow-upvalidation

·Share to similarproducts

·Record into failure mode database
 

FAQ


Q1: Are you a manufacturer?
Yes, we have been in manufacturing and providing excellent linear motion partsfor customers more than 20years.
Q2: How long could you prepare samples?
Ans:Normally 1days if we have the sample onhand.lf customized one. about a week around.

Q3: How about batch order production?
Ans: Normally 30days or so for one container
Q4: Do you inspect the finished products?
Ans:Yes, we will do inspection according to lsO standard and ruled by our QCstaff.
Q5: How do you ship the goods?
Ans: By sea, by air by truck or by courier(UPSDHLFedexTNT etc.)
Q6: What advantage do you have?
Ans:1.We have professional engineers,customers can expect the best possibleadvice and support.
2.Related responsible team to answer all your questions and follow-upprocess for you and do update in time.
3.Strict and standard process control according to Quality ManagementSystem.
4.Documents support on products, we have strong technical data sheet tosupport our products, which could make you easier to know our product
 

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