ISO Pull Studs — specifications

ISO standard retention knobs per ISO 7388-3:2016(E). CNC Ground, MPT Tested, Stress & Proof Tested.

Standard:

IS:11173/2 Type 1, ISO 7388-3:2016(E)

Shank types:

Pull Stud

Manufacturer:

PTP CNC Toolings Pvt. Ltd., Belgaum, India

Ordering codes:

Full specification table for ISO Pull Studs
Ordering Code	Shank	Thread	Knob Ø (A)	Length (B)	Neck Ø (C)	Overall Length (D)	E	F	Flange Width (H)	K	Head Angle	Size
PSI2A4004	Pull Stud	M16	17 mm	18.95 mm	12.95 mm	44.5 mm	16.4 mm	11.15 mm	3.25 mm	22.5 mm	45°	40
PSI2A4004C	Pull Stud	M16	17 mm	18.95 mm	12.95 mm	44.5 mm	16.4 mm	11.15 mm	3.25 mm	22.5 mm	45°	40
PSI2A4507	Pull Stud	M20	21 mm	24.05 mm	16.3 mm	56 mm	20.95 mm	14.85 mm	4.25 mm	30 mm	45°	45
PSI2A4507C	Pull Stud	M20	21 mm	24.05 mm	16.3 mm	56 mm	20.95 mm	14.85 mm	4.25 mm	30 mm	45°	45
PSI2A5015	Pull Stud	M25	25 mm	29.1 mm	19.6 mm	65.5 mm	25.55 mm	17.95 mm	5.25 mm	37 mm	45°	50
PSI2A5015C	Pull Stud	M25	25 mm	29.1 mm	19.6 mm	65.5 mm	25.55 mm	17.95 mm	5.25 mm	37 mm	45°	50
PSI1A4012	Pull Stud	M16	17 mm	19 mm	14 mm	54 mm	26 mm	20 mm	4 mm	23 mm	15°	40
PSI1A4012C	Pull Stud	M16	17 mm	19 mm	14 mm	54 mm	26 mm	20 mm	4 mm	23 mm	15°	40
PSI1A4012I	Pull Stud	5/8"	16.28 mm	19 mm	14 mm	51.15 mm	23.15 mm	17.15 mm	4 mm	23 mm	15°	40
PSI1A4012CI	Pull Stud	5/8"	16.28 mm	19 mm	14 mm	54 mm	23.15 mm	17.15 mm	4 mm	23 mm	15°	40
PSI1A4508	Pull Stud	M20	21 mm	23 mm	17 mm	65 mm	30 mm	23 mm	5 mm	30 mm	15°	45
PSI1A4508C	Pull Stud	M20	21 mm	23 mm	17 mm	65 mm	30 mm	23 mm	5 mm	30 mm	15°	45
PSI1A5015	Pull Stud	M24	25 mm	28 mm	21 mm	74 mm	34 mm	25 mm	5 mm	36 mm	15°	50
PSI1A5015C	Pull Stud	M24	25 mm	28 mm	21 mm	74 mm	34 mm	25 mm	5 mm	36 mm	15°	50
PSI1A5015I	Pull Stud	1"	26.17 mm	28 mm	21 mm	74.2 mm	34.2 mm	25.2 mm	5 mm	36 mm	15°	50
PSI1A5015CI	Pull Stud	1"	26.17 mm	28 mm	21 mm	74.2 mm	34.2 mm	25.2 mm	5 mm	36 mm	15°	50

Frequently asked questions

What is the ISO Pull Studs?

ISO Pull Studs (IS:11173/2 Type 1, ISO 7388-3:2016(E)) is a precision CNC Pull Studs product manufactured by PTP CNC Toolings Pvt. Ltd. — a precision tool-holder manufacturer in Belgaum, Karnataka, India, established 1985, ISO 9001 certified and IATF aligned. ISO standard retention knobs per ISO 7388-3:2016(E). CNC Ground, MPT Tested, Stress & Proof Tested.

Which shank types are available for ISO Pull Studs?

ISO Pull Studs is available in Pull Stud shank. Across these shanks there are 16 catalogue ordering codes to choose from.

What standard does the ISO Pull Studs conform to?

The ISO Pull Studs conforms to IS:11173/2 Type 1, ISO 7388-3:2016(E). Every unit is MPT-tested (Magnetic Particle Testing) and proof-tested at 2.5× clamping force before dispatch.

Who manufactures the ISO Pull Studs and where?

ISO Pull Studs is manufactured by PTP CNC Toolings Pvt. Ltd. — a precision tool-holder manufacturer in Belgaum, Karnataka, India, established 1985, ISO 9001 certified and IATF aligned. Contact sales at +91-9538456478 or ptpcnc@ptpcnctoolings.com for pricing, DXF/STEP CAD files, and lead times.

+91 95384 56478 ptpcnc@ptpcnctoolings.com

Belgaum, India

PTPCNC

Toolings Pvt. Ltd.

Precision Tooling Since 1985

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ISO Pull Studs

IS:11173/2 Type 1, ISO 7388-3:2016(E) · Cat. Pages 27-28

Material: Carburizing Alloy Steel with certified purity
Tensile Strength: 1400-1800 N/mm²
Proof Tested at 2.5x Clamping Force
Rolled, Tough & Wear Resistant Threads, 15-20% Stronger
Soft & Super Finished Bore

VariantAll Solid Coolant

ThreadAll 5/8"M16 M20 M24 M25 1"

Spindle SizeAll 50

DrawingTechnical Drawing

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Ordering Codes — ISO Pull Studs

All dimensions in mm

2 codes

Ordering Code	Size	Type	TH	A	B	C	D	H	E	F	J	K	θ	Stock	Actions
PSI1A5015CI	50	ISO	1"	26.17	28	21	74.2	5	34.2	25.2	---	36	15°	—
PSI1A5015I	50	ISO	1"	26.17	28	21	74.2	5	34.2	25.2	---	36	15°	—

Specifications

standard

ISO 7388-3:2016(E)

taper Type

ISO Taper

material

Carburizing Alloy Steel

tensile Strength

1400-1800 N/mm²