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Scratch Awl Preparation and Turning

21792

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Slimline Bushing Set

Brass TubeAdjustable Mandrel “A” Nut

Brass Tube NutMandrel “A”

Slimline Bushing Set

Wood SpacerMandrel “A” Setup:

Adjustable Mandrel Setup:

Blank Preparation1. Drilltheblankwitha7mmdrillbitataspeedof900to 1200RPM.

2. PolishtheBrassTubewith220gritsandpapertoremove oxidationandroughentheTubeforbetteradhesion.This canbedonebyhandorbychuckingitinadrillpressor portablehanddrill.

3. PreparetogluewithmediumCA(cyanoacrylate)glueor two-partfastdryingepoxy.

4. ApplythegluetotheoutsideoftheBrassTubewithaliberal amountaroundtheendthatisinsertedfirst.Donotapply gluetotheinsideoftheblank,asthiswillcausetheglue togetinsidetheBrassTubeandruinit.

5. Method 1:InserttheBrassTubewithatwistingmotion intotheblankuntilequallengthsoftheBrass Tube(approximately1/4"or6mm)areexposedoneither

endoftheblankfortheThreadedCouplers.Wipeoffany excessglueontheendsoftheblankandontheBrass Tubeandallowthegluetodry. Method 2:InserttheBrassTubewithatwistingmotioninto theblankuntiltheTubeisequidistantbetweenbothends oftheblank.Wipeoffanyexcessglueontheendsofthe blank.Allowthegluetodry.

6. Method 2:Usingabarreltrimmer,disk,orbeltsander, trimtheendsoftheblankuntilyoucanjustseethebright brassendsoftheTube.Thefaceoftheendsmustbe perpendiculartotheTubeandparallelwitheachother.It isimperativetomatchthelengthofthetrimmedblankto theoriginallengthoftheTubeandthattheinsideofthe Tubeiscleanandfreeofanyglue.

Turning the Blanks1. Assembletheblankonthemandrelwiththebushings placedoneithersideoftheblank.Notethatallofthe bushingsarethesamesize. Note:EitherWoodSpacersorextraBushingsmaybe usedtofilltheextraspaceonthemandrel.

2. Tightenthetailstockandthentightenthemandrelnutthat holdstheblank.Donotover-tightenthetailstockormandrel nutasthismaycausethemandreltoflex,causingtheblank togooutofround. Method 2:Measure7/32"(5.6mm)fromeachendofthe Tubeandmakeadefinitivemark.Usingasharppartingtool, removeallofthewoodfromthe7/32"marktotheendsof theblank.BeverycarefulnottodamagetheBrassTube.

3. Turntheblanktothedesiredshape.Theremustbeaflat areameasuring5/8"or16mmatthebuttendoftheawlto matchwiththeCap.Theremustbeaflatareameasuring 1/2"or13mmatthepointendoftheawltomatchwith theFerrule.

4. Afterturning,sandthesurfacesinprogressivestepsof 220,400,600,and1000grit.Ifahigherfinishisdesired, micromeshsandpapermaybeused.

5. Applythefinishofchoiceandpolish.

6. Removetheblankfromthemandrel.

Method 1Cuttheblanktoexactly25⁄16"long.ThiswillleavepartoftheBrassTubeexposedoneitherendoftheblank.

Method 2Cuttheblankabout1/8"longerthantheBrassTubetoallowfor“blow-out”orholeelongation.Later,youwillneedtoturnaportionofthewoodblankdowntotheBrassTubeonthelathe.

AssemblyReadtheassemblyinstructionscompletelybeforeassembly.

1. PressoneThreadedCouplerovereachexposedendof theBrassTube.TheThreadedCouplershavealarger diametersteppedareaontheinsidewhichmakesiteasy tofittheThreadedCouplerontotheBrassTube.

2. ThreadtheCapontotheThreadedCouplerwiththe5/8" flatmatingarea.

3. InserttheAwl,threadedendfirst,intotheremaining ThreadedCoupler.ThreadtheAwlintotheCap.

4. SlidetheFerruleontotheAwlpointandthreaditonto theThreadedCoupler.

Reordering Information Stock #ScratchAwlKit.....................................................217927mmMandrel“A”with#2MorseTaper...............435377mmMandrel“A”with#1MorseTaper...............39389Adjustable7mmMandrel“A”with#2MorseTaper............................................25581SlimlineBushingSet............................................435467mmDrillBit.........................................................36372PenMillKit...........................................................47526

Scratch Awl Assembly

21792 - Rev 10/12

WARN

ING: T

his product contains one or m

ore chem

icals, including lead, that are know

n to the State of C

alifornia to cause cancer and birth defects or other reproductive harm

. W

ash hands after handling.

Made in C

hina

Distributed by R

ockler C

ompanies Inc.

© 2012 R

ockler Woodw

orking and H

ardware

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