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No. 71 Compression Gun Springs Brownells.

$24.99
No. 71 Wire Diameters: .016 to .058 Coil O.D.'s from .095 to .312 Compression Gun Springs - Twelve compression springs of medium ...

Product Description

Solve Spring Needs With This Kit

No. 71 Wire Diameters: .016" to .058" Coil O.D.'s from .095" to .312" Compression Gun Springs - Twelve compression springs of medium to stiff action. Two each of six sizes, 12" long. Will cover many gun and shop needs.


Big Book Catalog, Issue:71, Page:381

Detent Ball Spring Kit Brownells.

$19.99 - $75.99
Never search for the right detent ball spring again. Save your valuable time, and money, with this Kit of correctly-sized in-the-hole coil springs ...

Product Description

Correctly-Sized To Match The Detent Ball Kit

Never search for the right detent ball spring again. Save your valuable time, and money, with this Kit of correctly-sized "in-the-hole" coil springs - a perfect match for each and every size contained in our Detent Ball Kit. You get 20 each of eight springs to match the eight most popular sizes of detent balls used in the gunsmithing industry. The springs are made with two "closed" (finished) ends and enough length that one spring can usually be made into two; a double value.


Big Book Catalog, Issue:71, Page:380
SPECS: Tempered steel. ¾" long. Refills sold 20 per pak.

Unplated Steel Flat Head Wood Screw Kit Brownells.

$7.99 - $49.99
Just the ticket when you need to brown or blue a wood screw - no plating to grind off. In a handy, clear, ...

Product Description

Can Be Browned, Blued Or Plated To Fit The Job

Just the ticket when you need to brown or blue a wood screw - no plating to grind off. In a handy, clear, bench box. U.S. made with 82° shoulder to fit standard countersinks.


Big Book Catalog, Issue:71, Page:378
SPECS: Kit Contains 12 Each Of Following Sizes: 2x¼"; 2x3/8"; 3x3/8"; 3x½"; 4x3/8"; 4x½"; 4x5/8"; 4x¾"; 6x3/8"; 6x½"; 6x5/8"; 6x¾"; 6x1"; 8x½"; 8x¾"; 8x¾"; 8x7/8"; 8x1". Refills sold 12 per pak.

Oil Hardening Drill Rod Round Brownells.

$5.99 - $107.99
O-1 OIL HARDENING DRILL ROD ROUND Carbon - .95% Manganese - 1.20% Silicon - .25% For ¼" ...

Product Description

Indispensable In The Gun Shop For Parts, Tools & Repairs

O-1 OIL HARDENING DRILL ROD ROUND
Carbon - .95%    Manganese - 1.20%    Silicon - .25%

For ¼" round and larger, we carry oil hardening drill rod rather than water hardening. The O-1 in this size range is characterized by good machineability, smooth finish as well as superior dimensional stability and excellent hardening characteristics. We recommend it for use in dies, tools, parts, and punches. Excellent for general use in the shop.

HARDENING: Heat slowly to 1475° F. - 1525° F. If a controlled furnace is not available, use 1500° Tempilaq. Hold at this temperature for a few seconds then quench in a light quenching oil.

TEMPERING: Temper immediately. The following hardness table is for a one hour draw after oil quenching at 1500° F.


Degrees F.
Rockwell C Hardness
As Hardened 63 - 65
300° 63 - 64
400° 61 - 62
500° 58 - 60
600° 54 - 56
700° 51 - 53
800° 46 - 48
900° 43 - 45


Big Book Catalog, Issue:71, Page:381

SPECS: Rods are 18" in length.

Miniature Coil Spring Pak - Kit 1607 Wolff.

$15.99
50 Miniature coil springs for firearms. O.D.’s from 1⁄16" (1.7mm) to 5⁄32" (4mm) with English and Metric variations.

Product Description

Solve Spring Needs With This Kit

50 Miniature coil springs for firearms. O.D.’s from 1⁄16" (1.7mm) to 5⁄32" (4mm) with English and Metric variations.


Big Book Catalog, Issue:71, Page:381

Blank Screw Kit Brownells.

$6.99 - $43.99
All that is needed is a die with the right threads to make a vast variety of gun screws simply and immediately! You ...

Product Description

Gun Screws Unlimited; With Drill Press & Dies You Can Make Most Gun Screws

All that is needed is a die with the right threads to make a vast variety of gun screws simply and immediately! You will also need a file, and either a drill press or a pin vise. You can give them any thread length, any overall length and any head thickness desired. Blanks are made of easy-to-thread, tough, forging steel. If hard wearing surface is desired after threading, screws should be treated in Brownells Surface Hardening Compound (#083-000-033).


Big Book Catalog, Issue:71, Page:379

SPECS: Kit contains: 20 each of No. 4 Head - O.D., .220" (5.6mm); No. 6 Head - O.D., .265" (6.6mm): No. 8 and No. 10 Head - O.D., .303" (7.7mm); No. 12 Head - O.D., .355" (9.1mm); 1/4" Head - O.D., .398" (9.9mm). Shank length on all sizes is 2.225" (5.65mm), measured from the underside of the head. All screws are pre-slotted. Refiills sold 20 per pak.

Water Hardening Drill Rod Brownells.

$3.99 - $5.99
One of the remarkable features of these tool steels is the low draw temperature to achieve maximum torsion impact strength. Most drawing can ...

Product Description

Indispensable In The Gun Shop For Parts, Tools & Repairs

One of the remarkable features of these tool steels is the low draw temperature to achieve maximum torsion impact strength. Most drawing can be done in a kitchen oven! Or you can easily make a small and efficient draw furnace on your bench using furnace brick, a simple heat element and a kitchen oven heat control. Draw all steel shown one hour.

W-1 WATER HARDENING DRILL ROD
Carbon - 1.00%    Manganese - .40%   Silicon - .20%

A fine-grained, commercial quality steel, W-1 can be used for tools, parts, dies or punches which require great hardness and a tough inner core for maximum strength. The sizes we carry should meet 99% of all requirements for pins in guns.

HARDENING: Heat the part to 1450° - 1500° F., or slightly higher (up to 1600° F.) if unusual depth of hardness is required. If a furnace is not available, use 1450° Tempilaq. Hold at this temperature for a few seconds, then quench in an 8% brine solution. Do not use fresh water! To make a brine solution: Add ¾ lb. (340 g) of rock salt to one gallon of water.

TEMPERING: Temper immediately. A one hour draw at the following temperatures will produce hardness on the Rockwell C scale as follows:


Degrees F.
Rockwell C Hardness
As Hardened 66 - 67
200° 66 - 67
300° 64 - 65
400° 61 - 62
500° 58 - 59
600° 54 - 55
700° 50 - 51
800° 46 - 47


Big Book Catalog, Issue:71, Page:381

SPECS: Rods are 18" in length.