DIN 7978 - 1977 / ISO 8736 -1986 Taper Pins with Internal Thread, Unhardened

• Customization: Available
• Customized: Customized
• Certification: CE, ISO
• Model NO.: DIN7978 -25X80
• Standard Parts: Yes
• Universal: Yes
• Type: Fasteners
• Material: Chrome Steel. Carbon Steel, Stainless Steel
• Types and Specifications: Cotter/Split, Taper, Parallel/Dowel, Groove Pin
• Standard Series: DIN, ISO, GB Standard
• Hardness: Hardened or Unhardened
• End Shape: Round, Flat, Chamfer
• Transport Package: Plastic Bag+Carton Box+ Plywood Case
• Specification: Accoridng to product size
• Trademark: Accoridng to product specification
• Origin: China
• HS Code: 7318240000
• Production Capacity: 100, 000, 000 PCS/Year

Product Description

JIANGSU WALLONG-HSIN MACHINERY ENGINEERING CORPORATION LTD. short name 'JSW', is a wholly state-owned company, also a subsidiary of SINOMACH GROUP (the biggest machinery group in China, ranked No.250 of TOP500 in 2021).


JSW is founded in 1992 and registered with capital of 4.5 million US dollars, located in Wuxi city, Jiangsu Province, with workshop area 50,000 square meters with first-class production lines,and office area 3000 square meters.
 

JSW passed ISO 9001,ISO 14001,ISO 18001 ,ISO 5001 and AEO certified.
We are manufacture and exporter, which turnover of rolling elements last year is 40 million US dollar, mainly exporting the Europe and America inclduing Germany, Italy, France, Belgium, Austria, Spain, Hungary, Poland, the USA, Mexico, Brazil, Chile, Malaysia.


 

*** PINS Series
 

A. DIN 1 (ISO 2339): Taper pins with round ends
B. DIN 7 (ISO 2338): Parallel pins
C. DIN 6325 (ISO 8734): Parallel pins
D. ISO 8734: Parallel pin (Dowel pin) of hardened steel & martensitic stailness steel
E. DIN 7979(C/D): Parallel pin with internal thread, hardened and unhardened
F. ISO 8735: Parallel pin with internal thread, hardened steel & martensitic stailness steel
G ISO 8736 (DIN 7978): Taper pins with internal thread, unhardened
H. ISO 8733: Parallel pinS with internal thread , unhardened steel & austenitic stailness steel
I. DIN 1481( ISO 8752), DIN 7346( ISO 13337): Spring-type straight slotted pins, light /heavy duty
J. DIN 7343(ISO 8750), DIN 7344(ISO 8748) , ISO 8751: Spring-type straight coiled pins, light / standard /heavy duty
K. Non- standard customized pins, we can develop according to your requirements

Taper Pins With Internal Thread, Unhardened

DIN 7978 - 1977 / ISO 8736 - 1986

Nominal Diameter

Φ6

Φ8

Φ10

Φ12

Φ14

Φ16

Φ20

Φ25

Φ30

Φ40

Φ50

d	max=nominal size (h10)
	min
a	≈
d2
d1
t1
t2	min
t

6	8	10	12	14	16	20	25	30	40	50
5.952	7.942	9.942	11.93	13.93	15.93	19.916	24.916	29.916	39.9	49.9
0.8	1	1.2	1.6	1.6	2	2.5	3	4	5	6.3
M4	M5	M6	M8	M8	M10	M12	M16	M20	M20	M24
4.3	5.3	6.4	8.4	8.4	10.5	13	17	21	21	25
6	8	10	12	12	16	18	24	30	30	36
10	12	16	20	20	25	27	34	42	42	50
1	1.2	1.2	1.2	1.2	1.5	1.5	2	2	2	2.5

Weight of per 1000 steel products(≈kg)

-

-

-

-

-

-

-

-

-

-

-

Type A, surface roughness Rz = 4 um;
Type B, surface roughness Rz = 16 um.
,Material:
a)Steel St=St=9SMnPb28 K (according to DIN 1651)
b)Other materials by agreement