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Database: 365,228(8 Aug 2026)
waisted shank scopethis standard thumb screws knurled thread size m3 ~ m10 thumb transmission rate ≥1mbps data link layer frame transmission control synchronization accuracy ±100ns time-temperature industrial enterprises sy/0066 standard test method
GB/T 839-1988 in English

GB/T 839-1988 in English

VALID

Knurled thumb screws with waisted shank

  • Issued on:1988-06-24
  • Implemented on:1989-07-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $80.00
$78.00
Standard No: GB/T 839-1988
Document status: VALID
Title in English: Knurled thumb screws with waisted shank
Title in Chinese: 滚花头不脱出螺钉
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 1988-06-24
Implemented on: 1989-07-01
ICS Classification: 21.060.10-Bolts, screws, studs
Chinese Classification: J13-Fastener
Professional Classification: GB-National Standard
Related Keywords: waisted shank scopethis standard
thumb screws
knurled
thread size m3 ~ m10
thumb
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roll
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Can't stand
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No peak in sample
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incomplete peak
gb/t812-1988
Decolorization not
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iso knurling
iso knurling
GBT839
din82 knurling
Knurled German
German standard knurling
American knurling
American standard knurling
Twist screws


Scope

This standard stipulates that the knurled head screw with thread size M3 ~ M10 does not come out.

Sample only — not a preview of GB/T 839-1988
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