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DIN 16903 Knurled Threaded Inserts

DIN 16903 Knurled Threaded Inserts

We are a globally renowned manufacturer of DIN 16903 knurled threaded inserts for over moulding. We are engaged in manufacturing different types of inserts as per international standards including DIN and many others as per customer requirements. We have an experienced team and utilize modern manufacturing machine tools to provide precision DIN 16903 knurled threaded inserts. We utilize the finest raw materials for manufacturing high-quality DIN 16903 threaded inserts designed for durability, precision, and reliability. DIN 16903 knurled threaded inserts are engineered to meet quality, performance, and value.

We understand that every project has unique requirements. Based on custom specific requirements, our engineering and manufacturing team is ready to collaborate and manufacture custom DIN 16903 knurled threaded inserts. From material selection to design modifications, we ensure customer satisfaction with our personalized solutions. We provide DIN 16903 knurled threaded inserts in a variety of materials, designs, sizes, and threads such as ISO Metric (MM threads), BSP & BSPT (Parallel & Taper Thread), NPT Thread, BSW Threads (Inches), BSF Thread, UNC, UNF Thread, BA Thread, and any threads as per standards and custom designs. Our all products including DIN 16903 are available at competitive prices.

Material:
  • Brass : C3604, Brass IS-319 Type-1, C36000, CuZn39Pb3, CuZn39Pb2, CuZn38Pb2, CuZn38Pb1.5
  • Steel : Steel EN1A/EN1AL,12L14, 11SMNPB30, 9SMNPB28
  • Aluminium : EN AW-6060, EN AW-6061, EN AW-6082
  • Special metal material composition as per customer requirements.
Availability:

In India as well as USA, UK, Australia, Germany, France, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Spain, Sweden, and other European counties.

Surface Finishing:

Any finishing / coating as per customer requirement.

Key Features of DIN 16903 Knurled Threaded Inserts:

  • With threaded blind hole.
  • DIN 16903 is also known as the Brass Knurled Threaded Insert Nut.
  • Threads as per International Go & Not Go Standards.
  • Deep Groove for maximum pull-out resistance.
  • Available knurling options: Diamond, Straight, Unidirectional.

Applications of DIN 16903 Knurled Threaded Inserts:

  • DIN 16903 knurled threaded inserts are used in instrumentation, telecommunications, and other plastic cases assemblies.
  • DIN 16903 inserts are used in automotive manufacturing for securing threaded inserts into molded parts such as dashboards, door panels, and interior trim pieces.
  • Knurled threaded inserts provide reliable attachment points for securing covers, connectors, and internal components, maintaining structural integrity and facilitating easier assembly and disassembly.
  • DIN 16903 knurled threaded inserts enable the attachment of handles, brackets, and other components to molded housings, enhancing product durability and usability.

Why Choose DIN 16903 Threaded Inserts from Us?

  • Superior quality material
  • Durable product range
  • Precision engineering
  • Customization options
  • Experience and expertise
  • Customer satisfaction
  • Loyalty and support
  • Reliable supply chain

Forms A–D

Threaded bushings
Form Tolerance B / D A / B / C / D A / C
Thread d1 (6H) M 2 M 2.5 M 3 (M 3.5) M 4 M 5 M 6 M 8 M 10 M 12
a1   0.8 0.9 0.9 1 1.2 1.6 1.8 2 3 3.5
a2   0.9 1 1.2 1.6 1.8 2 2.5 4 4 5
b1   0.8 0.8 1.2 1.4 1.4 1.8 2.4 4 4 5
b2   0.8 0.8 1 1 1 1 1 1 1 1
b3   0.8 1 1.2 1.4 1.4 2.5 3 4 6 7
d2 H11 1.6 2.05 2.5 2.9 3.3 4.2 5 6.8 8.5 10.3
d3 h12 3.2 3.4 3.8 4.5 5 6.4 7.4 10.4 13 17
d4   2.7 3 3.4 4 4.5 5.5 6.8 8.8 11 13
d51)   3.5 3.8 4.2 5 5.5 7 8 – – –
d6 h11 3.5 3.8 4.2 5 5.5 7 8 10 12.5 16
g   0.1 0.1 0.1 0.1 0.1 0.1 0.16 0.16 0.2 0.2
l1 h12 2.3 2.6 3 3.5 4 5 6 8 10 12
l2 h12 3.5 4 4.5 5.5 6 7.5 9 12 15 18
r ≈ 0.3 0.3 0.3 0.3 0.4 0.6 0.6 0.6 0.6 0.6
t   0.5 0.5 0.5 0.5 0.5 0.6 0.6 – – –
s ≈ – – 5 5.5 6 7 9 11 14 19
e ≈ – – 5.8 6.1 6.9 8.1 10.4 12.7 16.2 21.9
DIN 16903 Inserts Drawing

Forms E–H

Threaded bushings
Form Tolerance F / H E / F / G / H E / G
Thread d1 (6H) M 2 M 2.5 M 3 (M 3.5) M 4 M 5 M 6 M 8 M 10 M 12
a1   1 1 1.2 1.4 1.4 1.5 1.8 2.5 3 3.5
a2   1 1.2 1.2 1.5 1.5 2 2.5 3.5 4 5
b1   1.2 1.5 1.5 1.8 2.2 2.5 3.2 3.8 4.5 5.5
b2   0.8 0.8 1 1 1 1 1 1 1 1
b3   1.5 1.6 1.8 2.2 2.5 3 3.5 4.5 6 7
c   0.32 0.32 0.32 0.54) 0.54) 0.54) 0.54) 15) 15) 15)
d2 H11 1.6 2.05 2.5 2.9 3.3 4.2 5 6.8 8.5 10.3
d3 h12 3.2 3.4 3.8 4.5 5 6.4 7.4 10.4 13 17
d4   2.7 3 3.4 4 4.5 5.5 6.8 8.8 11 13
d51)   3.5 3.8 4.2 5 5.5 7 8 124) 154) 184)
d6 h11 3.5 3.8 4.2 5 5.5 7 8 10 12.5 16
d7   – – 4.2 5.5 6 7 9 11 14 19
d83) D11 2.6 2.8 3.2 3.8 4.5 6 7 9 11 13
e ≈ – – 5.8 6.1 6.9 8.1 10.4 12.7 16.2 21.9
g   0.1 0.1 0.1 0.1 0.1 0.1 0.16 0.16 0.2 0.2
l1 h14 2.3 2.6 3 3.5 4 5 6 8 10 12
l2 h12 3.5 4 4.5 5.5 6 7.5 9 12 15 18
l3 h12 3.1 3.4 3.8 4.5 5 6 7 9.5 11.5 13.5
l4 h12 4.3 4.8 5.3 6.5 7 8.5 10 13.5 16.5 19.5
r ≈ 0.3 0.3 0.3 0.3 0.4 0.6 0.6 0.6 0.6 0.6
s   – – 5 5.5 6 7 9 11 14 19
t ≈ 0.5 0.5 0.5 0.5 0.5 0.5 0.6 – – –
DIN 16903 Inserts Drawing

Forms E–H (similar)

Threaded bushings
Form Tolerance E / F / G / H E / G
Thread d1 (6H) M 3 (M 3.5) M 4 M 5 M 6 M 8 M10
a1   1.2 1.4 1.4 1.5 1.8 2.5 Possible upon inquiry
a2   1.2 1.5 1.5 2 2.5 3.5
b1   1.5 1.8 2.2 2.5 3.2 3.8
b2   1 1 1 1 1 1
b3   1.8 2.2 2.5 3 3.5 4.5
f   (Production-related min. gradient x 1.5 / must be clarified before
ordering)
d2 H11 2.5 2.9 3.3 4.2 5 6.8
d3 h12 3.8 4.5 5 6.4 7.4 10.4
d4   3.4 4 4.5 5.5 6.8 8.8
d51)   4.2 5 5.5 7 8 12
d6 h11 4.2 5 5.5 7 8 10
d7   4.2 5.5 6 7 9 11
d8 + 0.3 3 3.5 4 5 6 8
g h14 0.1 0.1 0.1 0.1 0.16 0.16
l3 h12 3.8 4.5 5 6 7 9.5
l4 h12 5.3 6.5 7 8.5 10 13.5
r   0.3 0.3 0.4 0.6 0.6 0.6
t   0.5 0.5 0.5 0.5 0.6 –
s   5 5.5 6 7 9 11
e   5.8 6.1 6.9 8.1 10.4 12.7
DIN 16903 Inserts Drawing

Forms J–N

Threaded bushings
Form Tolerance K / N J / K / L / N J / L
Thread d1 (6H) M 24 M 2.54 M 3 (M 3.5) M 4 M 5 M 6 M 8 M 10 M 12
a1   1 1.2 1.4 1.5 1.5 1.8 2 2.8 3.5 4
a2   1.2 1.5 1.6 2 2 2.5 3 4.2 5.5 6.5
b1   1.2 1.2 1.2 1.5 1.8 2 2.5 3 3.5 4
b2   0.8 0.8 1 1 1 1 1 1 1 1
b3   1.2 1.2 1.2 1.5 1.8 2 2.5 3 3.5 4
d23) H11 1.6 2.05 2.5 2.9 3.3 4.2 5 6.8 8.5 10.3
d3 h12 3.2 3.4 3.8 4.5 5 6.4 7.4 10 13 17
d4   2.7 3 3.4 4 4.5 5.5 6.8 8.8 11 13
d51) ≈ 3.5 3.8 4.2 5 5.5 7 8 – – –
d6 h11 3.5 3.8 4.2 5 5.5 7 8 10 12.5 16
d7   3 3.4 3.8 4.5 5 6 7 9 12 15
f + 0.24) 0.4 0.4 0.5 0.5 0.5 0.5 0.5 0.8 0.8 1
l1 h144) 2.3 2.6 3 3.5 4 5 6 8 10 12
l2 h144) 3.5 4 4.5 5.5 6 7.5 9 12 15 18
l3 h124) 3.8 4.2 4.8 5.5 6.5 7.6 9 12 14.2 17
l4 h124) 5 5.6 6.3 7.5 8.5 10.2 12 16 19.2 23
s   – – – – 6 7 9 11 14 19
e ≈ – – – – 6.9 8.1 10.4 12.7 16.2 21.9
g 4)   0.1 0.1 0.1 0.1 0.1 0.1 0.16 0.16 0.2 0.2
r 4) ≈ 0.3 0.3 0.3 0.3 0.4 0.6 0.6 0.6 0.6 0.6
t 4) ≈ 0.5 0.5 0.5 0.5 0.5 0.5 0.6 – – –
DIN 16903 Inserts Drawing

Forms P–S

Threaded bushings
Form Tolerance Q / S P / Q / R / S P / R
Thread d1 (6H) M 2 M 2.5 M 3 (M 3.5) M 4 M 5 M 6 M 8 M 10 M 12
a1   1 1.2 1.4 1.5 1.5 1.8 2 2.8 3.5 4
a2   1.2 1.5 1.6 2 2 2.5 3 4 5 5
b1   1.2 1.5 1.8 1.8 2.5 3 3.5 4.5 5 6
b2   0.8 0.8 1 1 1 1 1 1 1 1
b3   1.6 1.6 1.8 2 2.8 3.5 4 5.5 6 7
d2 H11 1.6 2.05 2.5 2.9 3.3 4.2 5 6.8 8.5 10.3
d3 h12 3.2 3.4 3.8 4.5 5 6.4 7.4 10.4 13 17
d4   2.7 3 3.4 4 4.5 5.5 6.8 8.8 11 13
d51)   3.5 3.8 4.2 5 5.5 7 8 – – –
d6 h11 3.5 3.8 4.2 5 5.5 7 8 10 12.5 16
d7   2.5 2.5 2.8 3.5 4 5 6 7 10 12
f + 0.2 0.4 0.4 0.5 0.5 0.5 0.5 0.5 0.8 0.8 1
g   0.1 0.1 0.1 0.1 0.1 0.1 0.16 0.16 0.2 0.2
l1 h14 2.3 2.6 3 3.5 4 5 6 8 10 12
l2 h14 3.5 4 4.5 5.5 6 7.5 9 12 15 18
l3 h12 4 4.6 5.5 6 7 8.3 9.8 12.6 15 17.8
l4 h12 5.2 6 7 8 9 10.8 12.8 16.6 20 23.8
r ≈ 0.3 0.3 0.3 0.3 0.4 0.6 0.6 0.6 0.6 0.6
t ≈ 0.5 0.5 0.5 0.5 0.5 0.5 0.6 – – –
s   – – 5 5.5 6 7 9 11 14 19
e   – – 5.8 6.1 6.9 8.1 10.4 12.7 16.2 21.9
DIN 16903 Inserts Drawing

Forms T–U

Threaded bushings
Form Tolerance T T / U U
Thread d1 (6H) M 2 M 2.5 M 3 (M 3.5) M 4 M 5 M 6 M 8 M 10 M 12
a1   0.6 0.6 0.8 0.8 0.8 1 1.2 – – –
a2   1 1.1 1.3 1.6 1.8 2.2 2.8 – – –
a3   – – – – 1 1 1.2 1.5 1.5 2
a4   – – – – 4 4.5 5 6 8 10
b1   1.2 1.4 1.5 1.7 1.9 2.2 2.7 – – –
b2   1.2 1.4 1.5 1.7 1.9 2.2 2.7 – – –
b3   – – – – 2 2.5 3 4 5 6
b4   – – – – 2 2.5 3 4 5 6
d2 H11 1.6 2.05 2.5 2.9 3.3 4.2 5 6.8 8.5 10.3
d3 h12 3.2 3.5 4 4.6 5.3 6.6 7.8 10.5 13 15.7
d4   2.7 3 3.4 4 4.5 5.5 6.8 8.8 11 13
d51)   4.5 5 5.5 6 7 9 10 12 15 18
d6 h11 4.5 5 5.5 6 7 9 10 12 15 18
d7   3.4 3.6 3.8 4.5 5 6 7 9 12 15
f +0.2 0.4 0.4 0.5 0.5 0.5 0.5 0.5 0.8 0.8 1
l1 h14 3.5 4 4.5 5.5 6 7.5 9 – – –
l2 h14 – – – – 8 10 12 16 20 24
l3 h12 5.2 6 7 8 9 10.5 12.8 – – –
l4   – – – – 11 13.3 15.8 20.6 25 29.8
g   0.1 0.1 0.1 0.1 0.1 0.1 0.16 0.16 0.2 0.2
t ≈ 0.5 0.5 0.5 0.5 0.5 0.6 0.6 0.6 0.6 0.8
r ≈ 0.3 0.3 0.3 0.3 0.4 0.6 0.6 0.6 0.6 0.6
DIN 16903 Inserts Drawing

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