Hex Head

Why do some flexible socket wrench handles have a machined groove down the handle?
I noticed some Snap-On and Kobalt socket wrenches have a slice machined down the center of the handle and held together by a hex-head screw. The two Pittsburgh Pro wrenches I own have that same design. Is there an advantage to that over just a solid handle without the slice?
Cost effectiveness, ease and logic of construction…or both.
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15/64″ x 5/16″ Silver Tone Hex Socket Head Screws 5 Pcs $3.32 |
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2.8x20mm Thread Hex Socket Head Cap Screws Bolts 10 Pcs $5.14 |
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1/5″ x 25/32″ Hex Flange Head Self Tapping Screw 6 Pcs $3.96 |
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8mm Hex Socket Head Cap Fastener Bolts Screws New 5 Pcs $8.89 |
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5 Pcs 5/16″ Female Thread Hex Head Grub Screw Nut New $3.95 |
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Summit Racing 220830B AN Plug Hex Head Flare Plug -8 AN Aluminum Black Anodized $1.95 |
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5 Pcs Hex Socket Head Fastener Bolt Screw 1/5″ x 5/16″ $2.79 |
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5 x 60mm Hex Socket Head Cap Fastener Bolt Screw 5 Pcs $4.50 |
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10 Pcs 2.4mm Hex Socket Head Cap 2.9mm Dia Thread Bolts $3.94 |
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9/14″ Hex Width Stainless Steel Hexagonal Head Bolt Fastener Screw x 5 $10.26 |
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Proform Parts Timing Cover Bolts Cadmium Hex Head Self Locking Chevy Small Block $3.95 |
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Proform Parts Valve Cover Wing Nuts Steel Chrome Hex Head 1/ 4-20 Thread SetOf4 $7.95 |
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Canton Harmonic Balancer Bolt Steel Gold Iridite Hex Head Univ 7/16″-20 RH” $6.95 |
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10 Pcs Hex Socket Head Cap 50mm 1 15/16″ Length Bolts $9.31 |
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3 Pcs 5/16″ Thread Metal Hex Socket Head Grub Set Screw $3.75 |
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Replacement Glass T Cutter Head Oil Tank for Hex Shaft $9.53 |
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10 Pcs Hexagon Shank 15/64″ Hex Single Head Insert Bits $9.81 |
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ARP 154-4001 Cylinder Head Studs Pro Series Hex Head Ford 289-302 Kit $121.42 |
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ARP Cylinder Head Studs Pro Series Hex Head Ford 429-460 with Aftermarket Heads $215.54 |
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ARP 154-4004 Cylinder Head Studs Pro Series Hex Head Ford 351C 351M 400 Kit $167.44 |
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ARP 234-4110 Cylinder Head Studs Pro Series Hex Head Chevy 4.8 5.3 5.7 6.0L Kit $333.65 |
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ARP Alternator Bracket Bolts Stainless Steel Polished Hex Head Pontiac V8 Set $4.75 |
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ARP 622-0560 Bolts Hex Head Stainless 300 Polished 5/16 $9.88 |
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ARP Cylinder Head Studs Long Exhaust Pro Series Hex Head BBC Aftermarket Heads $74.74 |
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50 Pcs Metal Black 15/64″ x 3/4″ Thread Hex Head Screws $19.30 |
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Hex Shank PH2 Magnetic Philips Cross Head Insert Bits $9.09 |
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1/5″ x 1 3/16″ Silver Tone Hex Socket Head Screws 5 Pcs $4.22 |
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1/5″ x 25/32″ Hex Head Self Tapping Machine Screw 6 Pcs $3.27 |
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6 Pcs Hex Socket Head 0.216″ Dia Thread Metal Screws $5.72 |
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2.4mm Hex Socket Cap Head 2.8mm Dia Thread Bolts 10 Pcs $4.72 |
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M3 NI-Plated Iron Bolts and Hex Head Screws 100pcs New $9.98 |
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49mm Thread Length Hex Head Metal Fastener Screw New $4.63 |
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10 Pcs Hex Socket Head Cap 0.110″ x 0.472″ Thread Bolts $4.69 |
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1/5″ x 63/64″ Silver Tone Hex Socket Head Screws 5 Pcs $5.17 |
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#8X 9/16″ Hex/SL. Z/P Washer Head 1/4″Drive NP Screws $67.00 |
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15/64″ x 3/4″ Hex Socket Head Fastener Bolt Screw 5 Pcs $5.16 |
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5 Pcs Hex Socket Head Fastener Bolt Screw 1/5″ x 63/64″ $5.18 |
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big block chevrolet engine bolt kit totally stainless hex head 396 427 406 $30.00 |
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small block chevrolet engine bolt kit totally stainless hex head 283 327 350 265 $30.00 |
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6 Pcs 1/5″ Thread Self Tapping Hex Head Screw w Washer $5.14 |
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10 Pcs Hex Socket Head Cap Stainless Steel Bolts Screws $6.75 |
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50109 HSP 1/5 PARTS Hex Head Grub Screw(4*4) 8PCS $5.91 |
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Hex Hexagon Socket Head 3x8mm Thread Bolts Screws 10Pcs $3.75 |
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4 X Zimmer Cat # 47-1162-24 Hex Head Compression Screw $75.95 |
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9 X Zimmer Cat # 47-1162-25 Hex Head Compression Screw $75.95 |
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10 Pcs Hex Shank Philips Cross Head Power Diver Bit New $8.12 |
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5 Pcs Hex Socket Head Cap 3/16″ 0.185″ Dia Thread Bolts $3.75 |
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3″ drill head w hex shaft $25.00 |
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Furniture 6mm Thread Metal Hex Head Screw Bolt w Nut $4.13 |
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15/64″ x 5/8″ Silver Tone Hex Socket Head Screws 5 Pcs $5.19 |
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Hexagon Hex Socket Cup Head Bolt Fastener Screws 10 $4.77 |
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5/16″ x 25/64″ Hex Socket Head Set Screw Fastener 3 Pcs $3.72 |
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31 in 1 Torx Hex Tri-wing Head Phillips Spanner Screwdriver Bits $10.47 |
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31 in 1 Torx Hex Tri-wing Head Phillips Spanner Screwdriver Bits $10.18 |
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6 Pcs Hex Socket Head 0.216″ Dia Thread Metal Screws $6.22 |
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Lot of 100 Self Tapping Zinc Plated Lag Bolts, 1/4″ x 3 1/2″ 3/8″ Hex Head (New) $29.99 |
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Torx Hex Tri-wing Head Phillips Spanner Screwdriver Bit $12.24 |
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Torx Hex Tri-wing Head Phillips Spanner Screwdriver Bit $10.22 |
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New SBC Chevy Head Bolts, Stock Length, Grade 8, 5/8″ Hex Head $29.99 |
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(8) NEW Surplus Aviation Bolts AN5-4 Hex Head Aircraft Hardware $4.00 |
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(6) NEW Steel Hex Head Aircraft Bolts AN5-14 Shank Hole Aviation Hardware $4.00 |
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2 Pcs Green 11.3mm Dia Hexagon Hex Head Bolt Screws $3.97 |
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10 Pcs Replace 7mm Dia Hex Hexagon Head Fastener Screws $5.37 |
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#14 X-7/8″ Hex Washer Head – Self Drilling with rubber washer white 2500 full bo $0.99 |
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1/4-28 X 2 3/8 Stainless Hex Head Shoulder Screws $9.95 |
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1/5″ x 25/32″ Hex Head Self Tapping Machine Screw 6 Pcs $5.15 |
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5Pcs Hex Socket Head Fastener Bolt Screw 15/64″ x 5/16″ $3.97 |
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5 NOS CHROME SCHRADER HEX HEAD VALVE STEM CAPS #E $11.50 |
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Lot 75 Large Self Drilling Galvanized Screws, #14 x 1.5″ Hex Head Zinc Tek New $12.49 |
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5/32″ Hex Socket Head Cap 3/16″ Dia Thread Bolts 5 Pcs $4.92 |
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Zinc Finish Class 10.9 – 8 x 40mm J.I.S. Small Head Hex Flange Bolts – 15 Pack $6.10 |
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Zinc Finish Class 10.9 – 8 x 35mm J.I.S. Small Head Hex Flange Bolts – 15 Pack $5.88 |
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Zinc Finish Class 10.9 – 8 x 30mm J.I.S. Small Head Hex Flange Bolts – 15 Pack $5.66 |
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Zinc Finish Class 10.9 – 8 x 25mm J.I.S. Small Head Hex Flange Bolts – 15 Pack $5.14 |
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Zinc Finish Class 10.9 – 8 x 20mm J.I.S. Small Head Hex Flange Bolts – 15 Pack $4.96 |
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Zinc Finish Class 10.9 – 8 x 16mm J.I.S. Small Head Hex Flange Bolts – 15 Pack $4.76 |
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Zinc Finish Class 10.9 – 8 x 12mm J.I.S. Small Head Hex Flange Bolts – 25 Pack $6.88 |
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Zinc Finish Class 10.9 – 6 x 44mm J.I.S. Small Head Hex Flange Bolts – 15 Pack $4.24 |
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Zinc Finish Class 10.9 – 6 x 40mm J.I.S. Small Head Hex Flange Bolts – 25 Pack $6.72 |
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Zinc Finish Class 10.9 – 6 x 35mm J.I.S. Small Head Hex Flange Bolts – 25 Pack $6.36 |
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Zinc Finish Class 10.9 – 6 x 30mm J.I.S. Small Head Hex Flange Bolts – 25 Pack $6.00 |
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Zinc Finish Class 10.9 – 6 x 25mm J.I.S. Small Head Hex Flange Bolts – 25 Pack $5.42 |
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Zinc Finish Class 10.9 – 6 x 20mm J.I.S. Small Head Hex Flange Bolts – 50 Pack $9.64 |
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Zinc Finish Class 10.9 – 6 x 16mm J.I.S. Small Head Hex Flange Bolts – 50 Pack $9.28 |
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Zinc Finish Class 10.9 – 6 x 12mm J.I.S. Small Head Hex Flange Bolts – 50 Pack $7.76 |
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Zinc Finish Class 10.9 – 10 x 40mm J.I.S. Small Head Hex Flange Bolts – 10 Pack $7.06 |
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Zinc Finish Class 10.9 – 10 x 35mm J.I.S. Small Head Hex Flange Bolts – 10 Pack $6.68 |
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Zinc Finish Class 10.9 – 10 x 30mm J.I.S. Small Head Hex Flange Bolts – 10 Pack $6.26 |
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Zinc Finish Class 10.9 – 10 x 25mm J.I.S. Small Head Hex Flange Bolts – 10 Pack $5.82 |
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Zinc Finish Class 10.9 – 10 x 20mm J.I.S. Small Head Hex Flange Bolts – 10 Pack $5.38 |
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Zinc Finish Class 10.9 – 10 x 16mm J.I.S. Small Head Hex Flange Bolts – 10 Pack $4.86 |
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10pcs 1/4″ Hex Shank Double Head S2 PH2 Phillips Screwdriver Bits $11.60 |
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Magnet Screwdriver Set 30 Kits Heads Torex Hex Straight $0.89 |
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15.3mm Diameter Hex Dome Head Bolt Fastener Screw White $3.65 |
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Hex Head Bolt M3 By 10mm 18-8 Stainless 25 Pack $9.25 |
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10 Pcs Hex Socket Head Cap 2.8mm 7/64″ Dia Thread Bolts $5.11 |
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7.8mm 3/10″ Hex Head Cap 4.8mm 3/16″ Dia Thread Bolts Screws 10 Pcs $7.11 |
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APEX QR-308 quick change adapter 3/8″ 1/4″ hex head $20.00 |
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LAG BOLTS HEX HEAD 100 COUNT BOX (5/16″ X 3″) $5.00 |
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Hogue Grip Screws SIG P230 P-230, Set of 2, Stainless Finish, Hex Head $5.45 |