We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
PROTO Screw Extractor: Straight Flute, Size #1 - Straight-Flute Extractors
PROTOStraight-Flute Extractors

PROTO Screw Extractor: Straight Flute, Size #1

The PROTO Screw Extractor is a straight-flute extractor, Size #1, with a capacity of 1/4 in to 5/16 in. This PROTO-branded tool, model J9521, is designed for removing broken screws within the specified size range.

SKU 3G-OTH-251663

Brand
PROTO
Item
Screw Extractor: Straight Flute, Size #1
Category
Straight-Flute Extractors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

PROTO
Manufacturer Part Number
J9521
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Screw Extractor is a straight-flute extractor, Size #1, with a capacity of 1/4 in to 5/16 in. This PROTO-branded tool, model J9521, is designed for removing broken screws within the specified size range.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the PROTO J9521 screw extractor used for?

The PROTO J9521 straight-flute screw extractor, Size #1, is used to remove broken or damaged screws with a head diameter of 1/4 in to 5/16 in. It is a common tool in automotive, machinery, and general maintenance repair for extracting seized fasteners without damaging the surrounding material.

What are the specifications of the PROTO J9521 screw extractor?

The PROTO J9521 is a straight-flute screw extractor, Size #1, with a capacity of 1/4 in to 5/16 in. The manufacturer part number is J9521. It is designed for removing broken screws within that size range and is made by PROTO, a brand known for industrial hand tools.

Where to buy the PROTO J9521 screw extractor worldwide?

3G Electric supplies the PROTO J9521 screw extractor to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this straight-flute extractor for removing broken screws.

How to use a straight-flute screw extractor like the PROTO J9521?

To use the PROTO J9521 straight-flute extractor, first drill a pilot hole into the center of the broken screw. Tap the extractor into the hole, then turn it counterclockwise with a tap wrench or similar tool. The straight flutes grip the screw walls, allowing removal without damaging the threads.

Used in

Common applications for PROTO
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting

PROTO Products

3G Electric supplies PROTO straight-flute extractors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
MALCO Screw Extractor Set: 10 Pc, Straight Flute, Size #1/#2/#3/#4/#5 (MPN SEK1). Key specifications — attr1030229: MALCO; attr1030235: #5; attr1030236: 1/4 in to 5/8 in; attr1030241: 19/64 in; attr1030246: SEK1; attr1075326: M3 to M15.
MALCO
MALCO Screw Extractor Set: 10 Pc, Straight Flute, Size #1/#2/#3/#4/#5 (MPN SEK1). Key specifications — attr1030229: MALCO; attr1030235: #5; attr1030236: 1/4 in to 5/8 in; attr1030241: 19/64 in; attr1030246: SEK1; attr1075326: M3 to M15.
SUPER TOOL Chucking Reamer: For 3/16 in Pin, 0.187 in Dia, Straight Flute, Carbide-Tipped (MPN 56551870). Key specifications — attr1301831: SUPER TOOL; attr1301839: Neutral.
SUPER TOOL
SUPER TOOL Chucking Reamer: For 3/16 in Pin, 0.187 in Dia, Straight Flute, Carbide-Tipped (MPN 56551870). Key specifications — attr1301831: SUPER TOOL; attr1301839: Neutral.
SUPER TOOL Chucking Reamer: For 3/16 in Pin, 0.1855 in Dia, Straight Flute, Carbide-Tipped (MPN 56551855). Key specifications — attr1301831: SUPER TOOL; attr1301839: Neutral.
SUPER TOOL
SUPER TOOL Chucking Reamer: For 3/16 in Pin, 0.1855 in Dia, Straight Flute, Carbide-Tipped (MPN 56551855). Key specifications — attr1301831: SUPER TOOL; attr1301839: Neutral.
SUPER TOOL Chucking Reamer: For 1/4 in Pin, 0.2495 in Dia, Straight Flute, Carbide-Tipped (MPN 56552495). Key specifications — attr1301831: SUPER TOOL; attr1301839: Neutral.
SUPER TOOL
SUPER TOOL Chucking Reamer: For 1/4 in Pin, 0.2495 in Dia, Straight Flute, Carbide-Tipped (MPN 56552495). Key specifications — attr1301831: SUPER TOOL; attr1301839: Neutral.
SUPER TOOL Chucking Reamer: For 3/8 in Pin, 0.3745 in Dia, Straight Flute, Carbide-Tipped (MPN 56553745). Key specifications — attr1301831: SUPER TOOL; attr1301839: Neutral.
SUPER TOOL
SUPER TOOL Chucking Reamer: For 3/8 in Pin, 0.3745 in Dia, Straight Flute, Carbide-Tipped (MPN 56553745). Key specifications — attr1301831: SUPER TOOL; attr1301839: Neutral.
SUPER TOOL Chucking Reamer: For 3/8 in Pin, 0.373 in Dia, Straight Flute, Carbide-Tipped (MPN 56553730). Key specifications — attr1301831: SUPER TOOL; attr1301839: Neutral.
SUPER TOOL
SUPER TOOL Chucking Reamer: For 3/8 in Pin, 0.373 in Dia, Straight Flute, Carbide-Tipped (MPN 56553730). Key specifications — attr1301831: SUPER TOOL; attr1301839: Neutral.

More from PROTO

View all PROTO parts →
PROTO Screw Extractor: Straight Flute, Size #2, 3/8 in Capacity (MPN J9522). Key specifications — attr1030256: 3/8 in; attr1030247: J9522; attr1030248: PROTO; attr1075324: 3/8 in.
PROTO
PROTO Screw Extractor: Straight Flute, Size #2, 3/8 in Capacity (MPN J9522). Key specifications — attr1030256: 3/8 in; attr1030247: J9522; attr1030248: PROTO; attr1075324: 3/8 in.
PROTO Screw Extractor: Straight Flute, Size #9, 1 1/2 in Capacity (MPN J9529). Key specifications — attr1030256: 1-1/2 in; attr1030247: J9529; attr1030248: PROTO; attr1075324: 1-1/2 in.
PROTO
PROTO Screw Extractor: Straight Flute, Size #9, 1 1/2 in Capacity (MPN J9529). Key specifications — attr1030256: 1-1/2 in; attr1030247: J9529; attr1030248: PROTO; attr1075324: 1-1/2 in.
PROTO Screw Extractor: Straight Flute, Size #5, 5/8 in Capacity (MPN J9525). Key specifications — attr1030256: 5/8 in; attr1030247: J9525; attr1030248: PROTO; attr1075324: 5/8 in.
PROTO
PROTO Screw Extractor: Straight Flute, Size #5, 5/8 in Capacity (MPN J9525). Key specifications — attr1030256: 5/8 in; attr1030247: J9525; attr1030248: PROTO; attr1075324: 5/8 in.
PROTO Screw Extractor: Straight Flute, Size #4, 1/2 in to 9/16 in Capacity (MPN J9524). Key specifications — attr1030256: 1/2 in to 9/16 in; attr1030247: J9524; attr1030248: PROTO; attr1075324: 1/2 in to 9/16 in.
PROTO
PROTO Screw Extractor: Straight Flute, Size #4, 1/2 in to 9/16 in Capacity (MPN J9524). Key specifications — attr1030256: 1/2 in to 9/16 in; attr1030247: J9524; attr1030248: PROTO; attr1075324: 1/2 in to 9/16 in.
PROTO Screw Extractor: Straight Flute, Size #7, 1 in to 1 1/8 in Capacity (MPN J9527). Key specifications — attr1030256: 1 in to 1-1/8 in; attr1030247: J9527; attr1030248: PROTO; attr1075324: 1 in to 1-1/8 in.
PROTO
PROTO Screw Extractor: Straight Flute, Size #7, 1 in to 1 1/8 in Capacity (MPN J9527). Key specifications — attr1030256: 1 in to 1-1/8 in; attr1030247: J9527; attr1030248: PROTO; attr1075324: 1 in to 1-1/8 in.
PROTO Screw Extractor: Straight Flute, Size #3, 7/16 in Capacity (MPN J9523). Key specifications — attr1030256: 7/16 in; attr1030247: J9523; attr1030248: PROTO; attr1075324: 7/16 in.
PROTO
PROTO Screw Extractor: Straight Flute, Size #3, 7/16 in Capacity (MPN J9523). Key specifications — attr1030256: 7/16 in; attr1030247: J9523; attr1030248: PROTO; attr1075324: 7/16 in.
PROTO Screw Extractor: Straight Flute, Size #8, 1 1/4 in to 1 3/8 in Capacity (MPN J9528). Key specifications — attr1030256: 1-1/4 in to 1-3/8 in; attr1030247: J9528; attr1030248: PROTO; attr1075324: 1-1/4 in to 1-3/8 in.
PROTO
PROTO Screw Extractor: Straight Flute, Size #8, 1 1/4 in to 1 3/8 in Capacity (MPN J9528). Key specifications — attr1030256: 1-1/4 in to 1-3/8 in; attr1030247: J9528; attr1030248: PROTO; attr1075324: 1-1/4 in to 1-3/8 in.
PROTO Screw Extractor: Straight Flute, Size #6, 7/8 in Capacity (MPN J9526). Key specifications — attr1030256: 7/8 in; attr1030247: J9526; attr1030248: PROTO; attr1075324: 7/8 in.
PROTO
PROTO Screw Extractor: Straight Flute, Size #6, 7/8 in Capacity (MPN J9526). Key specifications — attr1030256: 7/8 in; attr1030247: J9526; attr1030248: PROTO; attr1075324: 7/8 in.