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Threaded Rods & Studs › Double-End & Tap-End Studs

Jiaxing QS SA 453 Grade 660 Type a Stud Bolt

Updated 2026-11-04 · Markdown version

Model no. QSZ 24 F 005

US$12.00 – 240.00 / set

MOQ 100 sets · Final price confirmed in your quote

Material: ASTM A453 Grade 660 Class a
Head Style: Round
Standard: DIN, ANSI, GB, JIS, BSW, GOST, ISO 261
Grade: 12.9
Finish: Color
Screw Thread: Fully
Heat No: 9d70097
Tensile Strength (MPa): 895

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Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Customization	Available
Material	ASTM A453 Grade 660 Class a
Type	Stud Head
Model NO.	QSZ 24 F 005
Connection	Common Bolt
Head Style	Round
Standard	DIN, ANSI, GB, JIS, BSW, GOST, ISO 261
Grade	12.9
Application	Machinery, Chemical Industry, Environmental, Building
Finish	Color
Screw Thread	Fully
Heat No	9d70097
Tensile Strength (MPa)	895
Yield Strength (MPa)	585
Elongation %	15
Reduction %	18
Hardness Hb	248-341
Thread Class	6g
Solid Solution	970
Prescription	720
Transport Package	Plywood Cases/Wooden Cases
Specification	M14*90mm
Origin	China
Package Size	20.00cm * 10.00cm * 10.00cm
Package Gross Weight	16.000kg
DESIGNATION	Full thread bolt
MATERIAL GRADE	A453 Gr.660 Cl.A
MATERIAL MARK	660A SN
SPECIFIATIONS	ASTM A453/A453M-2017
METHOD	+970ºC 720ºC
MEDIUM	water
DIMENSIONAL AND SURFACE INSPECTION	OK
APPEARANCE TREATMENT	Color
Applications	The bolt is particularly relevant in the petrochemical industry, as well as in heat exchangers, steam generators in nuclear pressurized water reactors, gas turbine engine components, and subsea oil and gas extraction tools, among others. The universal design of the hex nut makes it compatible with various assemblies, significantly increasing the product's versatility.
Category	Double-End & Tap-End Studs

Technical parameters

DESIGNATION:Full thread bolt

MATERIAL GRADE:A453 Gr.660 Cl.A

MATERIAL MARK:660A SN

STANDARD:ISO 261

SPECIFIATIONS:ASTM A453/A453M-2017

HEAT NO:9D70097

Specs

M20*160

M20*150

PO. Item

20# 33#

Qty/PCS

2. %CHEMICAL COMPOSITION

elements

norm values

≤0.08

≤1.00

≤2.00

≤0.040

≤0.030

13.5-16.0

24-27

1.0-1.5

≤0.35

1.9-2.35

0.001-0.010

0.10-0.50

Actual

0.040

0.27

1.22

0.018

0.001

14.59

26.45

1.13

0.12

1.88

0.005

0.31

3. MECHANICAL PROPERTY

INSPECT. ITEM

Tensile Strength (Mpa)

Yield Strength (Mpa)

Elongation %

Reduction %

-196ºCimpact testJ

Hardness HB

Spec

≥895

≥585

≥15%

≥18%

HB248-341

Actual

1047

617

31.5

71.25 73.43 75.21

310

4. HEAT TREATMENT

ºC ºC METHOD: +970ºC 720ºC Solid solution + Prescription Solid solution Prescription MEDIUM: water T T

5. SURFACE & CLASS

THREAD CLASS:6g

DIMENSIONAL AND SURFACE INSPECTION: OK

APPEARANCE TREATMENT: Color

Testconclusions

SH/T3404-2013After Inspection , The quality of this product get the SH/T3404-2013 standard of the pattern and the industry standard.

THE ABOVE MATERIAL IS MANUFACTURED IN ACCORDANCE WITH SPECIFIED SPECIFICATION AND IS SUBJECT TO RANDOM TEST AND INSPECTION.THE CERTIFICATE IS PREPRARED BASED ON THE TEST RESULTS WHICH ARE OBTAINED UNDER THE SUPERVISION BY THE INSPECTOR.THE INSPECTOR IS INDEPENDENT OF THE MANUFACTURER.

Description

Jiaxing QS SA 453 Grade 660 Type a Stud Bolt is part of our double-end & tap-end studs range (Threaded Rods & Studs).

Key details

Type: Stud Head
Standard: DIN, ANSI, GB, JIS, BSW, GOST, ISO 261
Material: ASTM A453 Grade 660 Class a
Grade: 12.9
Head Style: Round
Finish: Color
Connection: Common Bolt
Application: Machinery, Chemical Industry, Environmental, Building

Available configurations include material, head style, standard, grade and finish. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 100 sets at US$12.00 – 240.00 per set. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for Jiaxing QS SA 453 Grade 660 Type a Stud Bolt?

The listed minimum order is 100 sets, at US$12.00 – 240.00 per set. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

What are the main specifications of Jiaxing QS SA 453 Grade 660 Type a Stud Bolt?

Type: Stud Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST, ISO 261; Material: ASTM A453 Grade 660 Class a; Grade: 12.9; Head Style: Round; Finish: Color. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, head style, standard, grade and finish. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other double-end & tap-end studs are available?

The Double-End & Tap-End Studs category lists 3,053 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/threaded-rods-studs/double-end-tap-end-studs/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

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US$12.00 – 240.00MOQ 100 setsGet a quote WA