Plug and Mandrel Bar

Assembly

Lag screws aka lag bolts 002.png · Commons ↗ Report photo

The piercing point that opens the bore, the water-cooled bar that holds it, the thrust block that resists the piercing load, and the gear that retains and rotates the bar.

Direct parts	5
Total parts	12
Used in	1 assembly
Class	Assembly
Status	unverified

The piercing point that opens the bore, the water-cooled bar that holds it, the thrust block that resists the piercing load, and the gear that retains and rotates the bar. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Plug and Mandrel Bar parts and their functions

5 top-level parts · 12 parts in total · full bill of materials below

Plug and Mandrel Bar parts diagram: 1 piercing plug, 2 mandrel bar, 3 thrust block, 4 bar-retaining gear, 5 bar cooling line. 12 parts in 5 assemblies. — Plug and Mandrel Bar parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Piercing Plug	1×	Piercing plug
2	Mandrel Bar	1×	Mandrel bar
3	Thrust Block 3 parts	1×	Thrust block
4	Bar-Retaining Gear 3 parts	1×	Bar-retaining gear
5	Bar Cooling Line	1×	Internal bar cooling line

3D model

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Build & assembly graph

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Bill of materials for Plug and Mandrel Bar

5 top-level lines · 11 rows shown · 12 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Piercing Plug	seamless-pipe-piercing-mill-piercing-plug	1×	1	·	part
2	Mandrel Bar	seamless-pipe-piercing-mill-mandrel-bar	1×	1	·	part
3	Thrust Block 3 parts	seamless-pipe-piercing-mill-thrust-block	1×	1	4	assembly
3.1	Thrust Housing	seamless-pipe-piercing-mill-thrust-housing	1×	1	·	part
3.2	Thrust Bearing	seamless-pipe-piercing-mill-thrust-bearing	1×	1	·	part
3.3	Ball Bearing	ball-bearing	2×	2	·	part
4	Bar-Retaining Gear 3 parts	seamless-pipe-piercing-mill-bar-retainer	1×	1	5	assembly
4.1	Helical Gear Pair	gear-pair	1×	1	·	part
4.2	Bar Clamp	seamless-pipe-piercing-mill-retainer-clamp	2×	2	·	part
4.3	Ball Bearing	ball-bearing	2×	2	·	part
5	Bar Cooling Line	seamless-pipe-piercing-mill-bar-cooling-line	1×	1	·	part

Where the plug and mandrel bar is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Machine Tools & Metalworking 1 Seamless Pipe Piercing Mill

Used in 1 assembly

Seamless Pipe Piercing Mill

Sourcing: possible vendors

Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.01–$2. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇮🇳Sundram Fasteners sundram.com ↗	Chennai, IN	Fasteners	10,000 pcs	3–5 wks
🇮🇳Lakshmi Precision Screws lpsindia.com ↗	Rohtak, IN	Fasteners	10,000 pcs	3–5 wks
🇨🇳Suzhou Escort escort-fastener.com ↗	Suzhou, CN	Fasteners	10,000 pcs	3–5 wks
🇨🇳Shanghai Tianbao tbfastener.com ↗	Shanghai, CN	Fasteners	10,000 pcs	3–5 wks
🇮🇳Sterling Tools sterlingtools.in ↗	Faridabad, IN	Fasteners	10,000 pcs	3–5 wks