Adjustable Repair API Industrial Straight Ridgid Oil Pipe Key Wrench for Oilfield Drilling Workover Rig Hand Petroleum Equipment Wellhead Handling Tool

Product Description

Ridgid China equivalent pipe wrench

China-Made Equivalent Heavy-Duty Pipe Wrench

SGPE China-Made Equivalent Pipe Wrench is a heavy-duty adjustable hand tool designed for gripping, turning, tightening and loosening threaded steel pipe, fittings and round workpieces. It provides a practical alternative for distributors, oilfield service companies, drilling contractors, plumbing suppliers and industrial maintenance teams that require a traditional straight pipe wrench design at a competitive project cost.

The wrench uses the familiar Stillson-style operating principle. When the operator applies force to the handle, the movable hook jaw pivots slightly and increases its grip on the pipe surface. Serrated teeth on the hook jaw and fixed heel jaw bite into the workpiece and help transfer operating torque without requiring a separate locking mechanism. This self-tightening action makes the tool suitable for pipe assembly, dismantling, repair and field maintenance.

 

Parameter	China-Made Equivalent Configuration
Product Name	China-Made Equivalent Heavy-Duty Straight Pipe Wrench
Tool Type	Adjustable straight pipe wrench
Operating Principle	Self-tightening Stillson-type gripping action
Nominal Size Range	6-60 in / 150-1,500 mm
Target Pipe Capacity Range	Up to 3/4-8 in / 20-200 mm, depending on size
Body Option	Ductile-iron body or aluminum body
Handle Type	Integrated I-beam-style handle
Hook Jaw	Full-floating adjustable hook jaw
Heel Jaw	Fixed replaceable heel jaw
Jaw Material	Forged or heat-treated alloy steel, subject to approved specification
Adjustment Nut	Knurled adjustment nut
Adjustment Thread	Large self-cleaning thread profile
Replaceable Parts	Hook jaw, heel jaw, pin, springs and adjustment nut
Surface Finish	Painted, powder-coated or project-specific finish
Typical Applications	Oilfield maintenance, pipeline work, plumbing, refinery and industrial repair
Brand Relationship	Independently manufactured; not an original RIDGID product

The heavy-duty version can be manufactured with a ductile-iron housing and an I-beam-style handle. This structure provides the rigidity needed for demanding industrial use while keeping the handle profile manageable for transportation and daily operation. A forged alloy-steel hook jaw moves along the threaded adjustment section, allowing the jaw opening to be set for different pipe diameters.

The adjustment nut features a knurled outer surface for easier operation while wearing work gloves. Large adjustment threads help the jaw move smoothly and allow dirt to clear from the thread area during use. Correct adjustment maintains contact at both the hook jaw and heel jaw, helping reduce slipping and uneven tooth loading.

 

Nominal Wrench Size	Metric Length	Maximum Steel Pipe Capacity	Metric Capacity	Official Reference Weight
6 in	150 mm	3/4 in	20 mm	0.5 lb / 0.2 kg
8 in	200 mm	1 in	25 mm	0.75 lb / 0.4 kg
10 in	250 mm	1-1/2 in	40 mm	1.75 lb / 0.8 kg
12 in	300 mm	2 in	50 mm	2.75 lb / 1.2 kg
14 in	350 mm	2 in	50 mm	3.5 lb / 1.6 kg
18 in	450 mm	2-1/2 in	65 mm	5.5 lb / 2.6 kg
24 in	600 mm	3 in	80 mm	10 lb / 4.5 kg
36 in	900 mm	5 in	125 mm	18.5 lb / 8.4 kg
48 in	1,200 mm	6 in	150 mm	31 lb / 14.1 kg
60 in	1,500 mm	8 in	200 mm	46.5 lb / 21.1 kg

Both the hook jaw and heel jaw can be supplied as replaceable components. This design allows users to restore gripping performance without replacing the complete wrench after the teeth become worn. Replacement springs, adjustment nuts and jaw assemblies can also be provided according to the confirmed wrench size and spare-parts requirement.

Common nominal wrench lengths in this product category range from approximately 6 to 60 inches, with maximum steel-pipe capacities from about 3/4 to 8 inches depending on the selected model. As an industry reference, professional heavy-duty straight pipe wrench ranges use similar size-to-capacity combinations, but the exact dimensions, jaw opening, weight and rated application of the China-made version must be confirmed in the approved technical sheet.

 

Component	Recommended Construction	Function
Handle and Housing	One-piece ductile iron or aluminum construction	Supports the wrench and transfers operator force
Hook Jaw	Forged or heat-treated alloy steel	Adjusts to pipe diameter and provides moving grip
Heel Jaw	Heat-treated alloy steel	Provides fixed gripping surface
Adjustment Nut	Machined steel with knurled surface	Adjusts the hook-jaw opening
Threaded Shank	Machined integral section of hook jaw	Allows jaw movement and adjustment
Heel-Jaw Pin	Hardened steel	Retains the fixed jaw
Coil Spring	Spring steel	Maintains jaw positioning and movement
Flat Spring	Spring steel	Supports hook-jaw action
Jaw Teeth	Precision-machined serrations	Bite into conventional steel pipe
End Stop or Flange	Integrated with adjustment system	Helps prevent accidental nut disengagement

Typical sizes include 10, 12, 14, 18, 24, 36, 48 and 60 inches. Smaller wrenches are suitable for workshop assembly, plumbing and light maintenance. The 18- and 24-inch models are commonly selected for general industrial pipe work, while 36-inch and larger tools provide the longer handle required for larger pipe and higher manual leverage.

An aluminum-handle version can also be considered where lower tool weight is important. Professional aluminum straight pipe wrenches are typically significantly lighter than comparable cast-iron designs while retaining a similar adjustable-jaw operating principle. The actual weight reduction of the China equivalent depends on its aluminum alloy, handle construction, jaw material and selected size.

 

Spare Part	Recommended Supply Status	Selection Requirement
Hook Jaw	Recommended operational spare	Must match wrench size and thread profile
Heel Jaw	Recommended operational spare	Must match housing and retaining pin
Heel-Jaw Pin	Optional spare	Confirm diameter and length
Adjustment Nut	Recommended spare	Must match hook-jaw thread
Coil Spring	Recommended spare	Confirm wrench model
Flat Spring	Recommended spare	Confirm wrench model
Spring Set	Optional kit	Coil and flat spring supplied together
Handle Assembly	Available only if separately manufactured	Confirm exact size and design
Complete Jaw Kit	Recommended for distributors	Hook jaw, heel jaw, pin and springs

The wrench is suitable for oilfield workshops, drilling-rig maintenance, refinery and petrochemical maintenance, pipeline construction, water-treatment plants, shipyards, mechanical workshops and general plumbing applications. Typical tasks include installing or removing threaded pipe, nipples, couplings, valves, unions and other round components that can accept serrated-jaw contact.

Because the jaws grip by biting into the workpiece surface, this wrench is primarily intended for conventional steel pipe and rugged industrial components. It should not be used on polished tubing, chrome-plated surfaces, soft thin-wall pipe or components where tooth marks are unacceptable. A strap wrench, chain wrench or non-marring gripping tool may be more suitable for those applications.

 

Part	Recommended Material Description	Data Required Before Publishing
Iron Body	Ductile iron	Exact grade and mechanical properties
Aluminum Body	High-strength aluminum alloy	Alloy grade and heat-treatment condition
Hook Jaw	Forged alloy steel	Material grade, hardness and heat treatment
Heel Jaw	Alloy steel	Material grade and tooth hardness
Adjustment Nut	Carbon or alloy steel	Material and surface hardness
Retaining Pin	Hardened steel	Material and hardness
Springs	Spring steel	Material and fatigue requirement
Coating	Industrial protective coating	Color, thickness and salt-spray requirement

For safe use, operators should select a wrench size appropriate for the pipe diameter, inspect the jaws and handle before operation, and maintain a visible clearance between the hook-jaw shank and the workpiece. Extension pipes or improvised cheater bars should not be added to the handle, as excessive leverage can damage the wrench or workpiece and create a safety hazard.

Available supply options may include individual wrenches, mixed-size sets, replacement jaws, spare adjustment nuts, springs, customized packaging and private-label marking. Before quotation, customers should specify the required wrench length, maximum pipe capacity, body material, quantity, spare parts, packaging and any marking requirements.

Feature	Product Description
Self-Tightening Grip	Applied handle force increases jaw engagement on the pipe
Adjustable Opening	Hook jaw travels through the adjustment nut
Full-Floating Hook Jaw	Allows the jaw to align and grip during operation
Serrated Jaw Teeth	Provide grip on conventional steel pipe
Replaceable Hook Jaw	Allows restoration of the primary gripping component
Replaceable Heel Jaw	Allows replacement of the fixed gripping surface
Self-Cleaning Threads	Large open threads help discharge dirt during adjustment
Knurled Adjustment Nut	Supports adjustment while wearing work gloves
I-Beam Handle Profile	Improves section rigidity while controlling weight
Multiple Size Options	Covers light workshop to large-pipe maintenance tasks

This product is an independently manufactured China-made alternative intended to provide comparable size, function and application to conventional heavy-duty straight pipe wrenches. RIDGID is a trademark of Ridge Tool Company. SGPE products are not manufactured, authorized, sponsored or endorsed by Ridge Tool Company unless expressly confirmed in writing.

SGPE Oil Machinery Co., Ltd offers the Pipe Key for Heavy Duty Pipe Handling. This adjustable pipe wrench is a reliable tool for oil drilling and mining. It is designed to handle heavy-duty pipes with ease, making it a valuable addition to any pipe handling operation.

Information Required for Quotation

Required Information	Customer Data
Wrench Type	Iron or aluminum straight pipe wrench
Nominal Size
Required Quantity
Maximum Pipe Diameter
Required Net Weight
Body Material
Hook-Jaw Material
Required Jaw Hardness
Replaceable Jaw Requirement
Spare Jaw Quantity
Spare Nut and Spring Requirement
Surface Color
Logo or Private Label
Individual Packaging
Export Carton Requirement
Wooden Case Requirement
Required Standard
Sample Approval Requirement
Inspection Requirement
Required Documents
Delivery Destination