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40 Malco Products Inc. Est. 1950
Adjustable Sheet Metal Scriber
Multi-Material Scratch Awls
Expandable
Trammel Points
Fast Adjusting Scribers
Pocket Sized Sheet Metal Scribe
Carbide Tipped Scriber
A60
A50
A40
A1
A2
A3
A20
A10
A0
A00
TR18
#18
TR42
#24
Catalog Radius Min. Radius Max. O/A Storage Length Min. / Max. Adjustments Length Net Wt.
Number Description in. (mm) in. (mm) in. (cm) in. (mm) in. (cm) oz. (g) Replacement Parts
A60 Adjustable Sheet Metal Scriber — — — 1/4” to 12-1/2” (6.4 to 318) — 10 (284) 12027
TR18 18” Trammel Point 7 (18) 18 (46) 12 (31) — — 4 (113) TRP / RP2
TR42 42” Trammel Point 12 (30) 42 (107) 24 (61) — — 7 (199) TRP / RP2
A50 Carbide Tip w/ retractable point — — — 1/4” to 12-1/2” (6.4 to 318) — 10 (284) A50R
#18 Divider Max. diameter circle 32 (81) 12 (30) 42 (107) 24 (61) — 11 (28) 7 (199) RP2 / 10018
#24 Divider Max. diameter circle 42 (107) — — — — 13-1/2 (34) 9 (255) RP2 / 10018
A40 Scribing Depths in. (mm) — — — — — — —
1/8”, 3/16”, 1/4”, 5/16”, 3/8”,1/2, 5/8”, 3/4”, 7/8”, 1” (3.2, 4.8, 6.4, 9.5, 12.7, 15.9, 19.1, 22.2, 25.4)
Nominal Blade Diameter in. (mm) Blade Length in. (mm) O/A Length in. (mm)
A00 Regular Grip Handle Scratch Awl 1/8 (3.2) 3 (76) 5-1/2 (140)
A0 Regular Grip Handle Scratch Awl 1/8 (3.2) 3 (76) 6-1/4 (159)
A10 Regular Grip Handle Scratch Awl 3/16 (4.8) 3-3/4 (95) 7 (178)
A1 Large Grip Handle Scratch Awl 7/32 (5.6) 3-1/2 (89) 5-3/4 (146)
A20 Regular Grip Handle Scratch Awl 1/4 (6.4) 4 (102) 7-3/4 (197)
A2 Large Grip Handle Scratch Awl 1/4 (6.4) 4 (102) 6-1/4 (159)
A3 Large Grip Handle Scratch Awl 3/8 (9.5) 5 (127) 7-1/2 (191)
Specifications
Replacement Parts
A50R Replacement Carbide Tip for A50 / 12027 Replacement Knob for A60 / TRP 1 pair replacement points for TR18 - TR42 / RP2 Replacement points for #18 - #24 / 10018 Thumb Screw for #18 - #24
Scribe commonplace trim lines on galvanized sheet metal quickly and accurately.
Ten pre-set scribing depths from 1/8” to 1”(3 to 25 mm). Each scribing depth size
features a dual edged point to create clean, readable and accurate score lines parallel
to the edge of the metal sheet. Corrosion resistant finish and etched-in dimensions are
readable for life of tool.
Solid carbide tip for scribing fine lines on hardened steel as well as glass,
ceramics, plastics or sheet metal. Retractable tip is easily replaceable. Tool has
handy pocket clip. Carbide tip assures long service.
Accurate and fast adjusting. Two sizes for circles up to 32” (81 cm) and 42” (107 cm).
Points are easily resharpened or replaced. Nickel plated steel body.
Two sizes handle a variety of layout applications. The TR42 expands to a big 42” (107
cm) radius (84” diameter). The compact TR18 expands to 18” (46 cm) and stores in
most tool boxes. All steel construction. Points are resharpenable and also replaceable.
Telescoping arms are nickel plated to resist corrosion. Handle features a comfortable
vinyl grip.
Measure, mark and scribe trim lines on sheet metal in one easy operation. Set desired
trim depth on the 1/8” (3.2 mm) graduated scriber extension and tighten knob. The
stop at the end of the scriber sleeve glides along edge of work as a 6 x 3/8” sheet metal
screw point scribes a clean, hard line. Adjustable from 1/4” to 12-1/2” (6.4 to 318
mm) depths. Rotate the scriber extension and knob end to end for depths larger than
6-1/2”(165 mm). The use of a common sheet metal screw makes point replacement
practical and economical. Pocket size tool is constructed of rust resistant nickel plated
steel. Knob assembly with hardened steel bolt insert will not strip out.
Use to scribe lines on metal, plastic and a variety of other materials. Pierce holes in
wood, plastic, leather, - even light gauge metal. Blades are high carbon, alloy tool steel
fully polished to resist rust. Blade tapers to a fine point and may be resharpened many
times. Easy-to-spot orange handles are shock and shatter resistant. Shallow fluted
handles with large end bearing surface provide a sure, comfortable grip. User has
choice of large diameter or regular grip handles.
Carbide Tipped Scriber Always a Sharp Point.